Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{AUCMP_2009__50_1_a4, author = {Kepka, Tom\'a\v{s} and Korbel\'a\v{r}, Miroslav}, title = {Various examples of parasemifields}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {61--72}, publisher = {mathdoc}, volume = {50}, number = {1}, year = {2009}, mrnumber = {2569469}, zbl = {1232.12010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_2009__50_1_a4/} }
Kepka, Tomáš; Korbelář, Miroslav. Various examples of parasemifields. Acta Universitatis Carolinae. Mathematica et Physica, Tome 50 (2009) no. 1, pp. 61-72. http://geodesic.mathdoc.fr/item/AUCMP_2009__50_1_a4/