@article{CMUC_1984__25_4_a8,
     author = {Kepka, Tom\'a\v{s} and Kratochv{\'\i}l, Jan},
     title = {Graphs and associative triples in quasitrivial groupoids},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {679--687},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {1984},
     mrnumber = {782017},
     zbl = {0563.20055},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1984__25_4_a8/}
}