%0 Journal Article %A Yu. S. Shatalov %T On the question of existence of solutions of systems of singular integral equations of Volterra type %J Differencialʹnye uravneniâ %D 1967 %P 264-272 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_2_a9/ %G ru %F DE_1967_3_2_a9