Equivalence relations in semihypergroups and the corresponding quotient structures

Seyed S. Mousavi, Violeta Leoreanu Fotea, Morteza Jafarpour, H. Babaei. Equivalence relations in semihypergroups and the corresponding quotient structures. Eur. J. Comb., 33(4):463-473, 2012. [doi]

Abstract

Abstract is missing.