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@article{CMJ_2000__50_1_a3, author = {Je\v{z}ek, Jaroslav and Kepka, Tom\'a\v{s}}, title = {The equational theory of paramedial cancellation groupoids}, journal = {Czechoslovak Mathematical Journal}, pages = {25--34}, publisher = {mathdoc}, volume = {50}, number = {1}, year = {2000}, mrnumber = {1745455}, zbl = {1035.08002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_2000__50_1_a3/} }
Ježek, Jaroslav; Kepka, Tomáš. The equational theory of paramedial cancellation groupoids. Czechoslovak Mathematical Journal, Tome 50 (2000) no. 1, pp. 25-34. http://geodesic.mathdoc.fr/item/CMJ_2000__50_1_a3/