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1

Approximation by families of linear trigonometric polynomial operators and smoothness properties of functions

Vladimir Rukasov, Konstantin Runovski, Hans-Jürgen Schmeisser

Journal:

Mathematische Nachrichten

Year:

2011

Language:

english

File:

PDF, 180 KB

english, 2011

2

Approximation of Continuous Functions by de La Vallee-Poussin Operators

V. I. Rukasov, E. S. Silin

Journal:

Ukrainian Mathematical Journal

Year:

2005

Language:

english

File:

PDF, 255 KB

english, 2005

3

4- And 5-hydroxylaminothiazolidine-2-thiones. Rearrangement of the carbamoyl derivatives to 4- and 5-ureidothiazolidin-2-ones

T. I. Orlova, S. P. Épshtein, A. F. Rukasov, V. P. Tashchi, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1987

Language:

english

File:

PDF, 462 KB

english, 1987

4

Approximation of the classesCβψHωby generalized de la Valiée-Poussin sums

V. I. Rukasov, O. A. Novikov

Journal:

Ukrainian Mathematical Journal

Year:

1997

Language:

english

File:

PDF, 251 KB

english, 1997

5

Approximation of Continuous Functions of Low Smoothness by de la Vallee-Poussin Operators

V. I. Rukasov, E. S. Silin

Journal:

Ukrainian Mathematical Journal

Year:

2005

Language:

english

File:

PDF, 226 KB

english, 2005

6

Approximation of Classes of({ar psi })-Integrals of Periodic Functions of Many Variables by Rectangular Linear Means of Their Fourier Series

V. I. Rukasov, O. A. Novikov, V. I. Bodraya

Journal:

Ukrainian Mathematical Journal

Year:

2005

Language:

english

File:

PDF, 259 KB

english, 2005

7

Approximation by de la Vallée-Poussin operators on the classes of functions locally summable on the real axis

V. I. Rukasov, S. O. Chaichenko

Journal:

Ukrainian Mathematical Journal

Year:

2010

Language:

english

File:

PDF, 240 KB

english, 2010

8

Approximation of(overline psi)-Integrals of Periodic Functions by de la Vallée-Poussin Sums (Low Smoothness)

V. I. Rukasov, S. O. Chaichenko

Journal:

Ukrainian Mathematical Journal

Year:

2001

Language:

english

File:

PDF, 199 KB

english, 2001

9

Approximation of the Classes(C^{{ar psi }} H_{omega })by de la Vallée-Poussin Sums

V. I. Rukasov, S. O. Chaichenko

Journal:

Ukrainian Mathematical Journal

Year:

2002

Language:

english

File:

PDF, 148 KB

english, 2002

10

Oleksandr Ivanovych Stepanets' (On His 60th Birthday)

Yu. A. Mitropol'skii, A. M. Samoilenko, I. O. Lukovs'kyi, V. L. Makarov, V. P. Motornyi, V. M. Konovalov, I. O. Shevchuk, P. V. Zaderei, A. S. Romanyuk, V. S. Romanyuk, V. I. Rukasov, A. S. Serdyuk

Journal:

Ukrainian Mathematical Journal

Year:

2002

Language:

english

File:

PDF, 408 KB

english, 2002

11

Bestn-Term Approximations in Spaces with Nonsymmetric Metric

Journal:

Ukrainian Mathematical Journal

Year:

2003

Language:

english

File:

PDF, 126 KB

english, 2003

12

Best “Continuous”n-Term Approximations in the Spaces(S_phi ^p )

A. I. Stepanets, V. I. Rukasov

Journal:

Ukrainian Mathematical Journal

Year:

2003

Language:

english

File:

PDF, 114 KB

english, 2003

13

Approximation of Classes of Analytic Functions by de la Vallée-Poussin Sums

Journal:

Ukrainian Mathematical Journal

Year:

2003

Language:

english

File:

PDF, 138 KB

english, 2003

14

Synthesis of 5-hydroxy-4-aryl-5,6,6-trimethylperhydro-1,2,4-triazin-3-ones

A. F. Rukasov, Yu. G. Putsykin, Yu. A. Kondrat'ev, V. P. Tashchi, Yu. A. Baskakov, E. A. Mertvetsov

Journal:

Chemistry of Heterocyclic Compounds

Year:

1978

Language:

english

File:

PDF, 59 KB

english, 1978

15

4- And 5-hydroxylaminothiazolidine-2-thiones. Acylation, synthesis, and structural investigation of new 6-thioxo(oxo) derivatives of 4,5-dihydro-6H-1,2,5-thiadiazine

T. I. Orlova, S. P. épshtein, A. F. Rukasov, N. S. Magomedova, V. K. Bel'skii, V. P. Tashchi, Yu. C. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1987

Language:

english

File:

PDF, 444 KB

english, 1987

16

Synthesis of thiirane oximes from 3,4-dibromo-3-methyl-2-butanone oxime

V. P. Tashchi, T. I. Rukasov, Yu. G. Orlova, Yu. A. Putsykin, Yu. A. Baskakov

Journal:

Chemistry of Heterocyclic Compounds

Year:

1982

Language:

english

File:

PDF, 286 KB

english, 1982

17

Oxidation and reduction of substituted 4-hydroxyamino- and 4-oximinoimidazolidin-2-ones

S. P. Épshtein, A. F. Rukasov, V. P. Tashchi, T. G. Simonova, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 390 KB

english, 1983

18

Synthesis of acyl derivatives of α-hydrazino oximes and 2-imidazolidinones based on them

S. P. Épshtein, A. F. Rukasov, V. P. Tashchi, Yu. G. Putsykin, Yu. A. Baskakov, T. G. Simonova

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 518 KB

english, 1983

19

Synthesis and reactivities of imidazolin-2-one 3-oxides

S. P. Épshtein, A. F. Rukasov, V. P. Tashchi, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 327 KB

english, 1983

20

New method for the preparation of O-carbamoyl derivatives in the 4-hydroxyaminoimidazolidin-2-one series

A. F. Rukasov, S. P. Épshtein, V. P. Tashchi, Yu. A. Baskakov, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1984

Language:

english

File:

PDF, 277 KB

english, 1984

21

Reaction of substituted 1-hydroxy-4-hydroxylaminoimidazolidin-2-one with aryl isocyanates

S. P. Épshtein, A. F. Rukasov, V. P. Tashchi, P. M. Bashtrykov, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1983

Language:

english

File:

PDF, 340 KB

english, 1983

22

Synthesis and properties of carbamoyl derivatives of 5-hydroxy-3,3,5-trimethylisoxazolidine

A. F. Rukasov, V. P. Tashchi, Yu. A. Kondrat'ev, Yu. A. Baskakov, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1979

Language:

english

File:

PDF, 385 KB

english, 1979

23

Synthesis of isomeric 4- and 5-hydroxylaminothiazolidin-2-thiones

T. I. Orlova, S. P. Épshtein, V. P. Tashchi, A. F. Rukasov, L. Ya. Bogel'fer, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1986

Language:

english

File:

PDF, 431 KB

english, 1986

24

Synthesis of 3-amino-4-hydroxylaminothiazolidine-2-thiones and 2,3-dimethyl-4a,5-dihydro-7-thioxothiazolo[3,4-b]-1,2,4-triazines

S. P. épshtein, T. I. Orlova, A. F. Rukasov, V. P. Tashchi, Yu. G. Putsykin

Journal:

Chemistry of Heterocyclic Compounds

Year:

1987

Language:

english

File:

PDF, 173 KB

english, 1987

25

Approximations of functions defined on the real axis by means of de la Vallée-Poussin operators

Journal:

Ukrainian Mathematical Journal

Year:

1992

Language:

english

File:

PDF, 469 KB

english, 1992

26

Approximation of classes of continuous functions by generalized de la Vallée-Poussin sums

O. A. Novikov, V. I. Rukasov

Journal:

Ukrainian Mathematical Journal

Year:

1995

Language:

english

File:

PDF, 551 KB

english, 1995

27

Approximations of functions of class Cβ, ∞ψby linear means of their fourier series

Journal:

Ukrainian Mathematical Journal

Year:

1987

Language:

english

File:

PDF, 257 KB

english, 1987

28

Approximation by triangular fourier sums on classes of continuous periodic functions of two variables

A. I. Stepanets, V. I. Rukasov

Journal:

Ukrainian Mathematical Journal

Year:

1983

Language:

english

File:

PDF, 318 KB

english, 1983

29

Estimates of errors in interpolating trigonometric polynomials with equidistant nodes on classes of continuous periodic functions of several variables

Journal:

Ukrainian Mathematical Journal

Year:

1983

Language:

english

File:

PDF, 356 KB

english, 1983

30

ChemInform Abstract: Synthesis of 3-Amino-4-hydroxylaminothiazolidine-2-thiones and 2,3-Dimethyl-4a,5-dihydro-7-thioxothiazolo(3,4-b)-1,2,4-triazines.

EPSHTEIN, S. P., ORLOVA, T. I., RUKASOV, A. F., TASHCHI, V. P., PUTSYKIN, YU. G.

Journal:

Year:

1987

File:

PDF, 131 KB

1987

31

ChemInform Abstract: 4- and 5-Hydroxylaminothiazolidin-2-thiones. Rearrangement of Carbamoyl Derivatives into 4- and 5-Ureidothiazolidin-2-ones.

ORLOVA, T. I., EPSHTEIN, S. P., RUKASOV, A. F., TASHCHI, V. P., PUTSYKIN, YU. G.

Journal:

Year:

1988

File:

PDF, 181 KB

1988

32

ChemInform Abstract: Acylation of 4- and 5-Hydroxylaminothiazolidine-2-thiones. Synthesis and Structural Investigation of New 6-Thioxo(oxo) Derivatives of 4,5-Dihydro-6H-1,2,5-thiadiazines.

ORLOVA, T. I., EPSHTEIN, S. P., RUKASOV, A. F., MAGOMEDOVA, N. S., BEL'SKII, V. K., TASHCHI, V. P., PUTSYKIN, YU. G.

Journal:

Year:

1988

File:

PDF, 164 KB

1988

33

ChemInform Abstract: REACTION OF SUBSTITUTED 1-HYDROXY-4-HYDROXYLAMINOIMIDAZOLIDIN-2-ONE WITH ARYL ISOCYANATES

EPSHTEIN, S. P., RUKASOV, A. F., TASHCHI, V. P., BASHTRYKOV, P. M., PUTSYKIN, YU. G.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 220 KB

1983

34

ChemInform Abstract: PREPARATION OF ALIPHATIC AND CYCLOALIPHATIC α-HYDRAZINEOXIMES FROM OLEFIN NITROSOCHLORIDES

PUTSYKIN, YU. G., RUKASOV, A. F., TASHCHI, V. P., BASKAKOV, YU. A.

Journal:

Chemischer Informationsdienst

Year:

1977

File:

PDF, 112 KB

1977

35

ChemInform Abstract: SYNTHESIS OF ACYL DERIVATIVES OF α-HYDRAZINO OXIMES AND 2-IMIDAZOLIDINONES BASED ON THEM

EPSHTEIN, S. P., RUKASOV, A. F., TASHCHI, V. P., PUTSYKIN, YU. G., BASKAKOV, YU. A., SIMONOVA, T. G.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 218 KB

1983

36

ChemInform Abstract: SYNTHESIS OF THIIRANOXIMES FROM 3,4-DIBROMO-3-METHYL-2-BUTANONE OXIME

TASHCHI, V. P., RUKASOV, A. F., ORLOVA, T. I., PUTSYKIN, YU. G., BASKAKOV, YU. A.

Journal:

Chemischer Informationsdienst

Year:

1982

File:

PDF, 184 KB

1982

37

ChemInform Abstract: SYNTHESIS OF SYN-α,β-UNSATURATED OXIMES FROM DIMERIC NITROSOCHLORIDES OF ALIPHATIC SERIES OLEFINS

TASHCHI, V. P., RUKASOV, A. F., BASKAKOV, YU. A., PUTSYKIN, YU. G., NEGREBETSKII, V. V., BOGEL'FER, L. YA.

Journal:

Chemischer Informationsdienst

Year:

1980

File:

PDF, 118 KB

1980

38

ChemInform Abstract: SYNTHESIS OF SYN-(ANTI)-S-CIS-α,β-UNSATURATED OXIMES FROM DIMERIC NITROSOCHLORIDES OF ALICYCLIC SERIES OLEFINS

PUTSYKIN, YU. G., TASHCHI, V. P., RUKASOV, A. F., BASKAKOV, YU. A., NEGREBETSKII, V. V., BOGEL'FER, L. YA.

Journal:

Chemischer Informationsdienst

Year:

1980

File:

PDF, 190 KB

1980

39

ChemInform Abstract: DIE RED. VON ARYLHALOGENIDEN MIT NATRIUMALUMINIUMHYDRID

ZAKHARKIN, L. I., GAVRILENKO, V. V., RUKASOV, A. F.

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 123 KB

1972

40

ChemInform Abstract: SYNTHESIS OF SUBSTITUTED 1,3-DITHIOLANES FROM α,β-DIBROMOXIMES

TASHCHI, V. P., IVANOV, A. P., RUKASOV, A. F., PUTSYKIN, YU. G., ORLOVA, T. I., BASKAKOV, YU. A.

Journal:

Chemischer Informationsdienst

Year:

1983

File:

PDF, 234 KB

1983

41

ChemInform Abstract: NEW SYNTHESIS OF O-CARBAMOYL DERIVATIVES IN THE 4-(HYDROXYLAMINO)IMIDAZOLIDIN-2-ONE SERIES

RUKASOV, A. F., EPSHTEIN, S. P., TASHCHI, V. P., BASKAKOV, YU. A., PUTSYKIN, YU. G.

Journal:

Chemischer Informationsdienst

Year:

1984

File:

PDF, 120 KB

1984

42

ChemInform Abstract: SYNTHESIS AND PROPERTIES OF CARBAMOYL DERIVATIVES OF 5-HYDROXY-3,3,5-TRIMETHYLISOXAZOLIDINE

RUKASOV, A. F., TASHCHI, V. P., KONDRAT'EV, YU. A., BASKAKOV, YU. A., PUTSYKIN, YU. G.

Journal:

Chemischer Informationsdienst

Year:

1979

File:

PDF, 225 KB

1979

43

ChemInform Abstract: OXIDATION AND REDUCTION OF SUBSTITUTED 4-HYDROXYLAMINO- AND 4-OXIMINOIMIDAZOLIDIN-2-ONES

EPSHTEIN, S. P., RUKASOV, A. F., TASHCHI, V. P., SIMONOVA, T. G., PUTSYKIN, YU. G.

Journal:

Chemischer Informationsdienst

Year:

1984

File:

PDF, 121 KB

1984

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