@article{05700430,
title = {Bifurcation analysis of a van der Pol-Duffing circuit with parallel resistor.},
journal = {Mathematical Problems in Engineering},
volume = {2009},
year = {2009},
doi = {10.1155/2009/149563},
zbl = {1184.94281},
language = {en},
url = {http://dml.mathdoc.fr/item/05700430}
}
De Carvalho Braga, Denis; Mello, Luis Fernando; Messias, Marcelo. Bifurcation analysis of a van der Pol-Duffing circuit with parallel resistor.. Mathematical Problems in Engineering, Tome 2009 (2009) . doi : 10.1155/2009/149563. http://gdmltest.u-ga.fr/item/05700430/