%0 Journal Article %A I. V. Boykov %A I. I. Zhechev %T On the approximate solution of singular integrodifferential equations. II.~Nonlinear equations %J Differencialʹnye uravneniâ %D 1975 %P 562-571 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_3_a15/ %G ru %F DE_1975_11_3_a15