%0 Journal Article
%A Michael Fisher
%T Fractional powers of operators and Bessel potentials on Hilbert space
%J Studia Mathematica
%D 1972
%P 191-206
%V 41
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-41-2-191-206/
%R 10.4064/sm-41-2-191-206
%G en
%F 10_4064_sm_41_2_191_206