Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_2005__46_1_a1, author = {Jedli\v{c}ka, P\v{r}emysl}, title = {On left distributive left idempotent groupoids}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {15--20}, publisher = {mathdoc}, volume = {46}, number = {1}, year = {2005}, mrnumber = {2175855}, zbl = {1106.20049}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_2005__46_1_a1/} }
Jedlička, Přemysl. On left distributive left idempotent groupoids. Commentationes Mathematicae Universitatis Carolinae, Tome 46 (2005) no. 1, pp. 15-20. http://geodesic.mathdoc.fr/item/CMUC_2005__46_1_a1/