TY - JOUR AU - Grzaƛlewicz, Ryszard TI - On positive operator-valued continuous maps JO - Commentationes Mathematicae Universitatis Carolinae PY - 1996 SP - 499 EP - 505 VL - 37 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1996__37_3_a6/ LA - en ID - CMUC_1996__37_3_a6 ER -