%0 Journal Article
%A V. P. Serebryakov
%T On the deficiency index of third-order two-term differential operators
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1995
%P 40-43
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1995_4_a8/
%G ru
%F VMUMM_1995_4_a8