%0 Journal Article
%A O. M. Kozlov
%T Fractional powers of self-adjoined extensions of operators and some boundary problems
%J Doklady Akademii Nauk
%D 1958
%P 971-974
%V 123
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1958_123_6_a3/
%G ru
%F DAN_1958_123_6_a3