%0 Journal Article %A È. I. Grudo %T Investigation of the solutions of a certain class of integro-differential equations %J Differencialʹnye uravneniâ %D 1965 %P 535-544 %V 1 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_4_a11/ %G ru %F DE_1965_1_4_a11