@article{03691772, title = {Steady state response of a nonlinear system.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {3}, year = {1980}, pages = {535-547}, doi = {10.1155/S0161171280000403}, zbl = {0443.34012}, language = {en}, url = {http://dml.mathdoc.fr/item/03691772} }
Karmakar, Sudhangshu B. Steady state response of a nonlinear system.. International Journal of Mathematics and Mathematical Sciences, Tome 3 (1980) pp. 535-547. doi : 10.1155/S0161171280000403. http://gdmltest.u-ga.fr/item/03691772/