TY - JOUR AU - A. B. Antonevich TI - The index of a pseudodifferential operator with a finite group of shifts JO - Doklady Akademii Nauk PY - 1970 SP - 751 EP - 752 VL - 190 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_190_4_a0/ LA - ru ID - DAN_1970_190_4_a0 ER -