TY - JOUR AU - S. Prößdorf AU - B. Silbermann TI - On the convergence of the reduction and collocation methods for systems of singular integral equations JO - Doklady Akademii Nauk PY - 1976 SP - 516 EP - 519 VL - 226 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_226_3_a6/ LA - ru ID - DAN_1976_226_3_a6 ER -