%0 Journal Article %A N. L. Vasilevskii %A G. S. Litvinchuk %T Seminar on boundary-value problems and singular integral equations, Chair of Mathematical Analysis, Odessa State University %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1975_30_1_a30/ %G ru %F RM_1975_30_1_a30