%0 Journal Article %A R. Anvarov %T On the averaging method in Hilbert space for integrodifferential equations %J Differencialʹnye uravneniâ %D 1976 %P 1297-1300 %V 12 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_7_a16/ %G ru %F DE_1976_12_7_a16