Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1988_44_5_a14, author = {L. A. Kalyakin}, title = {Local resonance in a weakly nonlinear problem}, journal = {Matemati\v{c}eskie zametki}, pages = {697--699}, publisher = {mathdoc}, volume = {44}, number = {5}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_5_a14/} }
L. A. Kalyakin. Local resonance in a weakly nonlinear problem. Matematičeskie zametki, Tome 44 (1988) no. 5, pp. 697-699. http://geodesic.mathdoc.fr/item/MZM_1988_44_5_a14/