@inproceedings{paperid:1008072,
author = {Afsharnejad, Zahra},
title = {Effect of damping and detuning on Van der Pol equation},
booktitle = {International conference on differential equations and topology},
year = {2008},
location = {مسکو},
keywords = {Van der equation- periodic orbit- perturbation( two parametric)},
}