%0 Journal Article
%A V. P. Serebryakov
%T On the deficiency index of second-order matrix differential operators
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1997
%P 1326-1327
%V 52
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1997_52_6_a24/
%G en
%F RM_1997_52_6_a24