%0 Journal Article
%A S. N. Slugin
%A V. M. Shashkov
%T Sufficient conditions for the existence of a minimum of a functional generated by a countable system of unbounded operators
%J Doklady Akademii Nauk
%D 1973
%P 37-39
%V 210
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_210_1_a8/
%G ru
%F DAN_1973_210_1_a8