%0 Journal Article %A Kh. Eshmatov %T Averaging in certain systems of integro-differential equations %J Differencialʹnye uravneniâ %D 1974 %P 1124-1129 %V 10 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_6_a15/ %G ru %F DE_1974_10_6_a15