%0 Journal Article %A N. F. Valeev %A È. A. Nazirova %A Ya. T. Sultanaev %T Distribution of the eigenvalues of singular differential operators in a space of vector-functions %J Trudy Moskovskogo matematičeskogo obŝestva %D 2014 %P 107-123 %V 75 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_2014_75_2_a1/ %G ru %F MMO_2014_75_2_a1