@article{JAC_2003__18_2_a0,
     author = {Sunder, V.S. and Wildberger, N. J.},
     title = {Actions of finite hypergroups.},
     journal = {Journal of Algebraic Combinatorics},
     pages = {135--151},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2003__18_2_a0/}
}