TY - JOUR AU - B. A. Plamenevskii AU - V. N. Senichkin TI - On the spectrum of $C^*$-algebras generated by pseudodifferential operators with isolated singularities of symbols JO - Doklady Akademii Nauk PY - 1981 SP - 1304 EP - 1306 VL - 261 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_261_6_a4/ LA - ru ID - DAN_1981_261_6_a4 ER -