%0 Journal Article
%A A. N. Kochubei
%T Extensions of symmetric operators and symmetric binary relations
%J Matematičeskie zametki
%D 1975
%P 41-48
%V 17
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1975_17_1_a4/
%G ru
%F MZM_1975_17_1_a4