%0 Journal Article %A M. Laura Arias %A Mostafa Mbekhta %T On partial isometries in $C^*$-algebras %J Studia Mathematica %D 2011 %P 71-82 %V 205 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm205-1-5/ %R 10.4064/sm205-1-5 %G en %F 10_4064_sm205_1_5