@article{01780537, title = {Perturbations near resonance for the }, journal = {Abstract and Applied Analysis}, volume = {7}, year = {2002}, pages = {323-334}, doi = {10.1155/S1085337502203073}, zbl = {1065.35116}, language = {en}, url = {http://dml.mathdoc.fr/item/01780537} }
Ma, To Fu; Pelicer, Maurício Luciano. Perturbations near resonance for the . Abstract and Applied Analysis, Tome 7 (2002) pp. 323-334. doi : 10.1155/S1085337502203073. http://gdmltest.u-ga.fr/item/01780537/