@article{AUPO_1991__30_1_a0,
     author = {Chajda, Ivan and Haviar, Miroslav},
     title = {Induced pseudoorders},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {9--16},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1991},
     mrnumber = {1166421},
     zbl = {0772.04001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1991__30_1_a0/}
}