Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1994__44_3_a6, author = {Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich}, title = {On generalized conditionally commutative semigroups}, journal = {Mathematica slovaca}, pages = {359--364}, publisher = {mathdoc}, volume = {44}, number = {3}, year = {1994}, mrnumber = {1307324}, zbl = {0816.20058}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1994__44_3_a6/} }
Pondělíček, Bedřich. On generalized conditionally commutative semigroups. Mathematica slovaca, Tome 44 (1994) no. 3, pp. 359-364. http://geodesic.mathdoc.fr/item/MASLO_1994__44_3_a6/