%0 Journal Article
%A A. V. Strauss
%T Some families of extensions of a symmetric operator
%J Doklady Akademii Nauk
%D 1961
%P 316-319
%V 139
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_139_2_a14/
%G ru
%F DAN_1961_139_2_a14