%0 Journal Article
%A P. E. Sobolevskii
%T Fractional powers of coercively positive sums of operators
%J Doklady Akademii Nauk
%D 1975
%P 1271-1274
%V 225
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_225_6_a8/
%G ru
%F DAN_1975_225_6_a8