%0 Journal Article %A R. S. Saks %T A certain class of singular integro-differential equations %J Differencialʹnye uravneniâ %D 1969 %P 115-130 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_1_a8/ %G ru %F DE_1969_5_1_a8