%0 Journal Article %A V. N. Tulovskii %T On the asymptotic distribution of the eigenvalues of degenerating elliptic equations of second order %J Sbornik. Mathematics %D 1971 %P 75-87 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1971_15_1_a3/ %G en %F SM_1971_15_1_a3