%0 Journal Article %A M. Berkani %T Restriction of an operator to the range of its powers %J Studia Mathematica %D 2000 %P 163-175 %V 140 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-140-2-163-175/ %R 10.4064/sm-140-2-163-175 %G en %F 10_4064_sm_140_2_163_175