@article{DE_1969_5_5_a18,
     author = {A. N. Filatov and L. I. Talipova},
     title = {On a variant of the averaging method for systems of integro-differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {958--961},
     publisher = {mathdoc},
     volume = {5},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_5_a18/}
}