Title of article :
Positive periodic solutions in generalized ratio-dependent predator–prey systems
Author/Authors :
Xiaoquan Ding، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Keywords :
coincidence degree , Predator–prey system , Ratio-dependent , Periodic solution
Journal title :
Nonlinear Analysis: Real World Applications
Journal title :
Nonlinear Analysis: Real World Applications
