4

Coexistence of algebraic and nonalgebraic limit cycles in Kukles systems

Year:
2008
Language:
english
File:
PDF, 115 KB
english, 2008
7

Uniqueness of limit cycles bounded by two invariant parabolas

Year:
2012
Language:
english
File:
PDF, 200 KB
english, 2012
8

A predator-prey system involving five limit cycles

Year:
2014
Language:
english
File:
PDF, 143 KB
english, 2014