TY - JOUR AU - S. M. Grudskii AU - A. B. Khevelev TI - On invertibility in $L_2(R)$ of singular integral operators with periodic coefficients and a shift JO - Doklady Akademii Nauk PY - 1983 SP - 1303 EP - 1306 VL - 269 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_269_6_a4/ LA - ru ID - DAN_1983_269_6_a4 ER -