@article{CMUC_1985_26_4_a1,
     author = {Beran, Ladislav},
     title = {Special polynomials in orthomodular lattices},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {641--650},
     year = {1985},
     volume = {26},
     number = {4},
     mrnumber = {831799},
     zbl = {0583.06008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1985_26_4_a1/}
}