@article{AUCMP_1996__37_1_a3,
     author = {Corsini, Piergiulio and Leoreanu, Violeta},
     title = {About the heart of a hypergroup},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {17--29},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1996},
     mrnumber = {1637711},
     zbl = {0904.20052},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1996__37_1_a3/}
}