@article{AUPO_1973_13_1_a2,
     author = {Sedl\'a\v{c}ek, Ladislav},
     title = {Zum {Problem} der inneren direkten {Produkte} von {Gruppoiden}},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {27--38},
     year = {1973},
     volume = {13},
     number = {1},
     mrnumber = {0352297},
     zbl = {0292.20053},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1973_13_1_a2/}
}