%0 Journal Article %A A. N. Filatov %A L. I. Talipova %T On a variant of the averaging method for systems of integro-differential equations %J Differencialʹnye uravneniâ %D 1969 %P 958-961 %V 5 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_5_a18/ %G ru %F DE_1969_5_5_a18