%0 Journal Article %A Hadded, Fatma %T Contractive projections and Seever's identity in complex $f$-algebras %J Commentationes Mathematicae Universitatis Carolinae %D 2003 %P 203-215 %V 44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2003__44_2_a1/ %G en %F CMUC_2003__44_2_a1