@article{05849066,
title = {First integrals for two linearly coupled nonlinear Duffing oscillators.},
journal = {Mathematical Problems in Engineering},
volume = {2011},
year = {2011},
doi = {10.1155/2011/831647},
zbl = {1210.34055},
language = {en},
url = {http://dml.mathdoc.fr/item/05849066}
}
Naz, R.; Naeem, I.; Mahomed, F.M. First integrals for two linearly coupled nonlinear Duffing oscillators.. Mathematical Problems in Engineering, Tome 2011 (2011) . doi : 10.1155/2011/831647. http://gdmltest.u-ga.fr/item/05849066/