%0 Journal Article %A J. J. Koliha %T Elements of C*-algebras commuting with their Moore-Penrose inverse %J Studia Mathematica %D 2000 %P 81-90 %V 139 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-139-1-81-90/ %R 10.4064/sm-139-1-81-90 %G en %F 10_4064_sm_139_1_81_90