TY - JOUR AU - R. S. Ismagilov TI - Asymptotic properties of the spectrum of a~differential operator in a~space of vector-valued functions JO - Matematičeskie zametki PY - 1971 SP - 667 EP - 676 VL - 9 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1971_9_6_a6/ LA - ru ID - MZM_1971_9_6_a6 ER -