@article{AUPO_1994__33_1_a9,
     author = {Machala, Franti\v{s}ek},
     title = {\"Uber {Homomorphismen} der {Kontexte}},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {95--104},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1994},
     mrnumber = {1385749},
     zbl = {0848.06002},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1994__33_1_a9/}
}