@article{10_4153_CMB_2014_069_3,
     author = {Willson, Benjamin},
     title = {A {Fixed} {Point} {Theorem} and the {Existence} of a {Haar} {Measure} for {Hypergroups} {Satisfying} {Conditions} {Related} to {Amenability}},
     journal = {Canadian mathematical bulletin},
     pages = {415--422},
     year = {2015},
     volume = {58},
     number = {2},
     doi = {10.4153/CMB-2014-069-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2014-069-3/}
}