%0 Journal Article %A Barnes, Bruce Alan %T A Generalized Fredholm Theory for Certain Maps in the Regular Representations of an Algebra %J Canadian journal of mathematics %D 1968 %P 495-504 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-048-2/ %R 10.4153/CJM-1968-048-2 %F 10_4153_CJM_1968_048_2