%0 Journal Article
%A R. S. Ismagilov
%T Self-adjoint extensions of a system of commuting symmetric operators
%J Doklady Akademii Nauk
%D 1960
%P 511-514
%V 133
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_133_3_a2/
%G ru
%F DAN_1960_133_3_a2