TY - JOUR AU - S. Z. Levendorskii TI - Spectral asymptotics of differential operators with operator coefficients and some applications JO - Doklady Akademii Nauk PY - 1985 SP - 1303 EP - 1306 VL - 280 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_280_6_a3/ LA - ru ID - DAN_1985_280_6_a3 ER -