2

Remarks on the functional equationf (x + y − xy) + f (xy) = f (x) + f (y)

Year:
1968
Language:
english
File:
PDF, 115 KB
english, 1968
5

On two functional equations connected with the equationϕ(x+y)+ϕ(x-y)=2ϕ(x)+2ϕ(y)

Year:
1970
Language:
english
File:
PDF, 249 KB
english, 1970
6

Note on inner products in vector spaces

Year:
1972
Language:
english
File:
PDF, 72 KB
english, 1972
7

On alternatives equivalent to the cauchy functional equation and a related equation

Year:
1981
Language:
english
File:
PDF, 340 KB
english, 1981
9

On two functional equations connected with the equationϕ(x+y)+ϕ(x−y)=2ϕ(x)+2ϕ(y)

Year:
1970
Language:
english
File:
PDF, 88 KB
english, 1970
14

On a class of functional equations with several unknown functions

Year:
1975
Language:
english
File:
PDF, 953 KB
english, 1975
15

On alternative functional equations

Year:
1976
Language:
english
File:
PDF, 38 KB
english, 1976
16

On a class of functional equations with several unknown functions

Year:
1974
Language:
english
File:
PDF, 39 KB
english, 1974
17

On functions satisfying a generalized mean value equation

Year:
1974
Language:
english
File:
PDF, 414 KB
english, 1974
18

On alternative functional equations

Year:
1977
Language:
english
File:
PDF, 469 KB
english, 1977
20

Existence and regularity problems for nonlinear functional equations

Year:
1977
Language:
english
File:
PDF, 507 KB
english, 1977
21

On an equation of information theory

Year:
1979
Language:
english
File:
PDF, 60 KB
english, 1979
22

On alternatives equivalent to the Cauchy functional equation and a related equation

Year:
1981
Language:
english
File:
PDF, 94 KB
english, 1981
23

On an equation of information theory

Year:
1980
Language:
english
File:
PDF, 188 KB
english, 1980