@article{AUPO_1968_9_1_a6, author = {Sedl\'a\v{c}ek, Ladislav}, title = {Zum {Problem} des {Isomorphismus} der direkten {Produkte} von {Gruppoiden}}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, pages = {111--134}, year = {1968}, volume = {9}, number = {1}, mrnumber = {0310119}, zbl = {0181.31701}, language = {de}, url = {http://geodesic.mathdoc.fr/item/AUPO_1968_9_1_a6/} }