@article{MAN_1989__283_1_164532,
     author = {Hansmartin Zeuner},
     title = {Laws of {Large} {Numbers} of {Hypergroups} on {IR+.}},
     journal = {Mathematische Annalen},
     pages = {657--678},
     publisher = {mathdoc},
     volume = {283},
     number = {1},
     year = {1989},
     zbl = {0646.60009},
     url = {http://geodesic.mathdoc.fr/item/MAN_1989__283_1_164532/}
}