Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1965_160_3_a15, author = {L. P. Shilnikov}, title = {A case of the existence of a denumerable set of periodic motions}, journal = {Doklady Akademii Nauk}, pages = {558--561}, publisher = {mathdoc}, volume = {160}, number = {3}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_3_a15/} }
L. P. Shilnikov. A case of the existence of a denumerable set of periodic motions. Doklady Akademii Nauk, Tome 160 (1965) no. 3, pp. 558-561. http://geodesic.mathdoc.fr/item/DAN_1965_160_3_a15/