@article{10_4064_cm_62_1_7_14,
     author = {Josef Tkadlec},
     title = {Partially additive states on orthomodular posets},
     journal = {Colloquium Mathematicum},
     pages = {7--14},
     publisher = {mathdoc},
     volume = {62},
     number = {1},
     year = {1991},
     doi = {10.4064/cm-62-1-7-14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-62-1-7-14/}
}