@article{10_1017_S0017089500008788, author = {Runde, Volker}, title = {A functorial approach to weak amenability for commutative {Banach} algebras}, journal = {Glasgow mathematical journal}, pages = {241--251}, year = {1992}, volume = {34}, number = {2}, doi = {10.1017/S0017089500008788}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008788/} }