@article{MASLO_1980_30_4_a10,
     author = {Pulmannov\'a, Sylvia},
     title = {Semiobservables on quantum logics},
     journal = {Mathematica slovaca},
     pages = {419--432},
     year = {1980},
     volume = {30},
     number = {4},
     mrnumber = {595303},
     zbl = {0454.03031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1980_30_4_a10/}
}