@article{DE_1988_24_3_a30,
     author = {O. P. Filatov},
     title = {An estimate for the solutions of systems of differential equations on an asymptotically large segment by the averaging method},
     journal = {Differencialʹnye uravneni\^a},
     pages = {542--544},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_3_a30/}
}