@article{CMUC_2005_46_2_a7,
     author = {Pt\'ak, Pavel and Weber, Hans},
     title = {Relatively additive states on quantum logics},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {327--338},
     year = {2005},
     volume = {46},
     number = {2},
     mrnumber = {2176895},
     zbl = {1121.03085},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2005_46_2_a7/}
}