%0 Journal Article %A Pták, Pavel %A Weber, Hans %T Relatively additive states on quantum logics %J Commentationes Mathematicae Universitatis Carolinae %D 2005 %P 327-338 %V 46 %N 2 %U http://geodesic.mathdoc.fr/item/CMUC_2005_46_2_a7/ %G en %F CMUC_2005_46_2_a7