TY - JOUR AU - B. M. Bilman AU - G. Dzhangibekov TI - Noethericity conditions and index for some two-dimensional singular integral equations with discontinuous coefficients over a bounded simply connected domain JO - Doklady Akademii Nauk PY - 1986 SP - 792 EP - 797 VL - 288 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_288_4_a4/ LA - ru ID - DAN_1986_288_4_a4 ER -