Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1975__16_1_a5, author = {Je\v{z}ek, Jaroslav}, title = {Normal subsets of quasigroups}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {77--85}, publisher = {mathdoc}, volume = {16}, number = {1}, year = {1975}, mrnumber = {0367104}, zbl = {0303.20051}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1975__16_1_a5/} }
Ježek, Jaroslav. Normal subsets of quasigroups. Commentationes Mathematicae Universitatis Carolinae, Tome 16 (1975) no. 1, pp. 77-85. http://geodesic.mathdoc.fr/item/CMUC_1975__16_1_a5/