Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2011_90_2_a16, author = {O. P. Filatov}, title = {Averaging {Theorem} for {Indeterminate} {Conditionally} {Periodic} {Motion}}, journal = {Matemati\v{c}eskie zametki}, pages = {318--320}, publisher = {mathdoc}, volume = {90}, number = {2}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2011_90_2_a16/} }
O. P. Filatov. Averaging Theorem for Indeterminate Conditionally Periodic Motion. Matematičeskie zametki, Tome 90 (2011) no. 2, pp. 318-320. http://geodesic.mathdoc.fr/item/MZM_2011_90_2_a16/