%0 Journal Article %A E. S. Zhukovskii %T On the theory of Volterra equations %J Differencialʹnye uravneniâ %D 1989 %P 1599-1605 %V 25 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_9_a18/ %G ru %F DE_1989_25_9_a18