@article{AUCMP_1981_22_1_a1,
     author = {Vougiouklis, T.},
     title = {Cyclicity in a special class of hypergroups},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {3--6},
     year = {1981},
     volume = {22},
     number = {1},
     mrnumber = {0635970},
     zbl = {0495.20042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1981_22_1_a1/}
}