Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1991_5_3_a7, author = {Ch. G. Massouros}, title = {Constructions of {Hyperfields}}, journal = {Mathematica balkanica}, pages = {250}, publisher = {mathdoc}, volume = {5}, number = {3}, year = {1991}, url = {http://geodesic.mathdoc.fr/item/MABA_1991_5_3_a7/} }
Ch. G. Massouros. Constructions of Hyperfields. Mathematica balkanica, Tome 5 (1991) no. 3, p. 250. http://geodesic.mathdoc.fr/item/MABA_1991_5_3_a7/