%0 Journal Article %A Kh. Eshmatov %T Freezing and averaging methods for certain systems of integro-differential equations with an integral boundary condition %J Differencialʹnye uravneniâ %D 1986 %P 1636-1640 %V 22 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_9_a29/ %G ru %F DE_1986_22_9_a29