%0 Journal Article %A Rupert Lasser %T Amenability and weak amenability of $l^1$-algebras of polynomial hypergroups %J Studia Mathematica %D 2007 %P 183-196 %V 182 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm182-2-6/ %R 10.4064/sm182-2-6 %G en %F 10_4064_sm182_2_6