TY - JOUR AU - Hadded, Fatma TI - Contractive projections and Seever's identity in complex $f$-algebras JO - Commentationes Mathematicae Universitatis Carolinae PY - 2003 SP - 203 EP - 215 VL - 44 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2003__44_2_a1/ LA - en ID - CMUC_2003__44_2_a1 ER -