Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1990_315_1_a4, author = {A. V. Pechenev}, title = {Averaging of systems with hierarchy of phase rotation speeds on}, journal = {Doklady Akademii Nauk}, pages = {28--31}, publisher = {mathdoc}, volume = {315}, number = {1}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_315_1_a4/} }
A. V. Pechenev. Averaging of systems with hierarchy of phase rotation speeds on. Doklady Akademii Nauk, Tome 315 (1990) no. 1, pp. 28-31. http://geodesic.mathdoc.fr/item/DAN_1990_315_1_a4/