@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/