%0 Journal Article %A Runde, Volker %T A functorial approach to weak amenability for commutative Banach algebras %J Glasgow mathematical journal %D 1992 %P 241-251 %V 34 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008788/ %R 10.1017/S0017089500008788 %F 10_1017_S0017089500008788