%0 Journal Article %A Klemes, I. %T Idempotent Multipliers of H 1(T) %J Canadian journal of mathematics %D 1987 %P 1223-1234 %V 39 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1987-062-5/ %R 10.4153/CJM-1987-062-5 %F 10_4153_CJM_1987_062_5