Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMJ_1999__49_2_a5, author = {Cho, Jung R. and Je\v{z}ek, Jaroslav and Kepka, Tom\'a\v{s}}, title = {Paramedial groupoids}, journal = {Czechoslovak Mathematical Journal}, pages = {277--290}, publisher = {mathdoc}, volume = {49}, number = {2}, year = {1999}, mrnumber = {1692473}, zbl = {0955.20043}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_1999__49_2_a5/} }
Cho, Jung R.; Ježek, Jaroslav; Kepka, Tomáš. Paramedial groupoids. Czechoslovak Mathematical Journal, Tome 49 (1999) no. 2, pp. 277-290. http://geodesic.mathdoc.fr/item/CMJ_1999__49_2_a5/