%0 Journal Article
%A Matoušek, Milan
%A Pták, Pavel
%T Symmetric difference on orthomodular lattices and $Z_2$-valued states
%J Commentationes Mathematicae Universitatis Carolinae
%D 2009
%P 535-547
%V 50
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_2009__50_4_a3/
%G en
%F CMUC_2009__50_4_a3