1

Civic capital and support for the welfare state

Year:
2019
Language:
english
File:
PDF, 576 KB
english, 2019
2

A characterization of centres via first integrals

Year:
1988
Language:
english
File:
PDF, 673 KB
english, 1988
11

Successive bifurcations at infinity for second order O.D.E.’s

Year:
2002
Language:
english
File:
PDF, 196 KB
english, 2002
36

LipschitzianQ-matrices areP-matrices

Year:
1996
Language:
english
File:
PDF, 158 KB
english, 1996
37

Centers with equal period functions

Year:
2015
Language:
english
File:
PDF, 290 KB
english, 2015
41

On the existence of global first integrals in the plane

Year:
1993
Language:
english
File:
PDF, 878 KB
english, 1993