@article{04069131,
title = {Recent results in hyperring and hyperfield theory.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {11},
year = {1988},
pages = {209-220},
doi = {10.1155/S0161171288000250},
zbl = {0655.16027},
language = {en},
url = {http://dml.mathdoc.fr/item/04069131}
}
Nakassis, Anastase. Recent results in hyperring and hyperfield theory.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 209-220. doi : 10.1155/S0161171288000250. http://gdmltest.u-ga.fr/item/04069131/