@article{ASCFM_1982__73_21_75_0,
     author = {Sureau, Yves},
     title = {Normalit\'e et th\'eor\`eme de {Jordan-Holder} en th\'eorie des hypergroupes op\'erant transitivement sur un ensemble},
     journal = {Annales scientifiques de l'Universit\'e de Clermont. Math\'ematiques},
     pages = {75--86},
     publisher = {UER de Sciences exactes et naturelles de l'Universit\'e de Clermont},
     volume = {73},
     number = {21},
     year = {1982},
     mrnumber = {706124},
     zbl = {0526.20052},
     language = {fr},
     url = {http://archive.numdam.org/item/ASCFM_1982__73_21_75_0/}
}