TY - JOUR AU - N. F. Valeev AU - È. A. Nazirova AU - Ya. T. Sultanaev TI - Distribution of the eigenvalues of singular differential operators in a space of vector-functions JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 2014 SP - 107 EP - 123 VL - 75 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_2014_75_2_a1/ LA - ru ID - MMO_2014_75_2_a1 ER -