1

On a Result of Darboux

Year:
2001
Language:
english
File:
PDF, 144 KB
english, 2001
2

On the Integrability of Two-Dimensional Flows

Year:
1999
Language:
english
File:
PDF, 150 KB
english, 1999
6

Algebraic limit cycles of degree 4 for quadratic systems

Year:
2004
Language:
english
File:
PDF, 411 KB
english, 2004