%0 Journal Article
%A I. N. Braeutigam
%A K. A. Mirzoev
%A T. A. Safonova
%T On deficiency index for some second order vector differential operators
%J Ufa mathematical journal
%D 2017
%P 18-28
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UFA_2017_9_1_a1/
%G en
%F UFA_2017_9_1_a1