%0 Journal Article %A DAWS, MATTHEW %T ULTRAPOWERS OF BANACH ALGEBRAS AND MODULES %J Glasgow mathematical journal %D 2008 %P 539-555 %V 50 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089508004400/ %R 10.1017/S0017089508004400 %F 10_1017_S0017089508004400