@article{03815910, title = {A class of hyperrings and hyperfields.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {6}, year = {1983}, pages = {307-311}, doi = {10.1155/S0161171283000265}, zbl = {0516.16030}, language = {en}, url = {http://dml.mathdoc.fr/item/03815910} }
Krasner, Marc. A class of hyperrings and hyperfields.. International Journal of Mathematics and Mathematical Sciences, Tome 6 (1983) pp. 307-311. doi : 10.1155/S0161171283000265. http://gdmltest.u-ga.fr/item/03815910/