@article{ASUO_2005_XIII_1_a3,
     author = {P. Corsini and I. Cristea },
     title = {Fuzzy sets and non complete 1-hypergroups},
     journal = {Analele Universit\u{a}\c{t}ii "Ovidius" Constan\c{t}a Seria Matematic\u{a}},
     publisher = {mathdoc},
     volume = {XIII},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/ASUO_2005_XIII_1_a3/}
}