TY - JOUR AU - Yu. I. Karlovich TI - Algebras of singular integral operators with discrete groups of JO - Doklady Akademii Nauk PY - 1989 SP - 274 EP - 280 VL - 304 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_304_2_a3/ LA - ru ID - DAN_1989_304_2_a3 ER -