%0 Journal Article
%A Yu. L. Shmul'yan
%T On closed Hermitian operators and their selfadjoint extensions
%J Sbornik. Mathematics
%D 1974
%P 151-166
%V 22
%N 2
%U http://geodesic.mathdoc.fr/item/SM_1974_22_2_a0/
%G en
%F SM_1974_22_2_a0