@article{05700461,
title = {Double Hopf bifurcation with strong resonances in delayed systems with nonlinearities.},
journal = {Mathematical Problems in Engineering},
volume = {2009},
year = {2009},
doi = {10.1155/2009/759363},
zbl = {1190.37059},
language = {en},
url = {http://dml.mathdoc.fr/item/05700461}
}
Xu, J.; Chung, K.W. Double Hopf bifurcation with strong resonances in delayed systems with nonlinearities.. Mathematical Problems in Engineering, Tome 2009 (2009) . doi : 10.1155/2009/759363. http://gdmltest.u-ga.fr/item/05700461/