TY - JOUR AU - A. S. Andreev TI - An estimate for the remainder in the asymptotic expansion of the spectrum of pseudodifferential operators of negative order JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1986 SP - 50 EP - 51 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1986_20_2_a5/ LA - ru ID - FAA_1986_20_2_a5 ER -