%0 Journal Article %A BENJAMIN, RONALDA %A LAUSTSEN, NIELS JAKOB %A MOUTON, SONJA %T r-FREDHOLM THEORY IN BANACH ALGEBRAS %J Glasgow mathematical journal %D 2019 %P 615-627 %V 61 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089518000393/ %R 10.1017/S0017089518000393 %F 10_1017_S0017089518000393