%0 Journal Article %A F. D. Gakhov %T Present day problems of the theory of boundary value problems for analytic functions and of singular integral equations %J Differencialʹnye uravneniâ %D 1965 %P 786-798 %V 1 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_6_a9/ %G ru %F DE_1965_1_6_a9