%0 Journal Article %A B. M. Bilman %A G. Dzhangibekov %T Noethericity conditions and index for some two-dimensional singular integral equations with discontinuous coefficients over a bounded simply connected domain %J Doklady Akademii Nauk %D 1986 %P 792-797 %V 288 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_288_4_a4/ %G ru %F DAN_1986_288_4_a4