%0 Journal Article %A Huang, Houben %A Hudson, Timothy D. %T Factorization of Positive Invertible Operators in af Algebras %J Canadian journal of mathematics %D 1995 %P 421-435 %V 47 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1995-023-0/ %R 10.4153/CJM-1995-023-0 %F 10_4153_CJM_1995_023_0