TY - JOUR AU - S. Z. Levendorskii TI - Quasiclassical asymptotics of the eigenvalues of systems of pseudodifferential operators JO - Doklady Akademii Nauk PY - 1981 SP - 32 EP - 36 VL - 256 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_256_1_a6/ LA - ru ID - DAN_1981_256_1_a6 ER -