TY - JOUR AU - A. N. Kozhevnikov TI - An estimate of the remainder in the asymptotics of the spectrum and complex powers of systems elliptic in the sense of Douglis and Nirenberg JO - Doklady Akademii Nauk PY - 1980 SP - 32 EP - 35 VL - 254 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_254_1_a6/ LA - ru ID - DAN_1980_254_1_a6 ER -