Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1978_239_1_a10, author = {S. I. Pidkuiko and A. M. Stepin}, title = {Polynomial integrals of {Hamiltonian} systems}, journal = {Doklady Akademii Nauk}, pages = {50--53}, publisher = {mathdoc}, volume = {239}, number = {1}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_1_a10/} }
S. I. Pidkuiko; A. M. Stepin. Polynomial integrals of Hamiltonian systems. Doklady Akademii Nauk, Tome 239 (1978) no. 1, pp. 50-53. http://geodesic.mathdoc.fr/item/DAN_1978_239_1_a10/