%0 Journal Article %A Grzaƛlewicz, Ryszard %T On positive operator-valued continuous maps %J Commentationes Mathematicae Universitatis Carolinae %D 1996 %P 499-505 %V 37 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1996__37_3_a6/ %G en %F CMUC_1996__37_3_a6