%0 Journal Article %A Olin, Robert F. %A Yang, Liming %T A Subnormal Operator and its Dual %J Canadian journal of mathematics %D 1996 %P 381-396 %V 48 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-021-1/ %R 10.4153/CJM-1996-021-1 %F 10_4153_CJM_1996_021_1