@article{10_4064_sm182_2_6,
     author = {Rupert Lasser},
     title = {Amenability and weak amenability of $l^1$-algebras
 of polynomial hypergroups},
     journal = {Studia Mathematica},
     pages = {183--196},
     publisher = {mathdoc},
     volume = {182},
     number = {2},
     year = {2007},
     doi = {10.4064/sm182-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm182-2-6/}
}