References
- Corsini , P. 1973 . Hypergroupes et groupes ordonnés . Rend. Sem. Mat. Univ. , 48 : 189 – 204 . Padova
- Mittas , J. 1972 . Hypergroupes canoniques . Math. Balk. , 2 : 165 – 179 .
- Procesi , R. and Rota , R. 1999 . On some classes of hyperstructures . Discr. Math. , 208/209 : 485 – 497 .
- Procesi , R. and Rota , R. 1999–2000 . Polynomials hyperrings , 421 – 435 . Avistotle Univ. of Thessaloniki .
- Spartalis , S. 1990 . “ (H, R)-Hyperring ” . In Proc. IV AHA 187 – 195 .
- Vougiouklis , T. 1994 . Hyperstructures and their Representation , Hadronic Press .