Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1994__35_1_a16, author = {Kepka, Tom\'a\v{s}}, title = {Non-idempotent left symmetric left distributive groupoids}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {181--186}, publisher = {mathdoc}, volume = {35}, number = {1}, year = {1994}, mrnumber = {1292593}, zbl = {1102.20045}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1994__35_1_a16/} }
Kepka, Tomáš. Non-idempotent left symmetric left distributive groupoids. Commentationes Mathematicae Universitatis Carolinae, Tome 35 (1994) no. 1, pp. 181-186. http://geodesic.mathdoc.fr/item/CMUC_1994__35_1_a16/