@article{DE_2006_42_4_a6,
     author = {A. M. Samoilenko and A. N. Stanzhytskyi},
     title = {On the averaging of differential equations on an infinite interval},
     journal = {Differencialʹnye uravneni\^a},
     pages = {476--482},
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_4_a6/}
}