Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1994_30_3_a23, author = {V. S. Medvedev and E. L. Fedorov}, title = {Calculation of the second {Mel{\textquoteright}nikov} parameter (autonomous case)}, journal = {Differencialʹnye uravneni\^a}, pages = {533}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1994_30_3_a23/} }
V. S. Medvedev; E. L. Fedorov. Calculation of the second Mel’nikov parameter (autonomous case). Differencialʹnye uravneniâ, Tome 30 (1994) no. 3. http://geodesic.mathdoc.fr/item/DE_1994_30_3_a23/