@article{AUPO_1990__29_1_a0,
     author = {Chajda, Ivan},
     title = {Quasicomplemented semilattices},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {11--22},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1990},
     mrnumber = {1144827},
     zbl = {0759.06004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1990__29_1_a0/}
}