%0 Journal Article
%A P. E. Sobolevskii
%T On fractional norms in Banach space generated by the unbounded operator
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1964
%V 19
%N 6
%U http://geodesic.mathdoc.fr/item/RM_1964_19_6_a27/
%G ru
%F RM_1964_19_6_a27