%0 Journal Article %A Demarr, Ralph %T On Partially Ordering Operator Algebras %J Canadian journal of mathematics %D 1967 %P 636-643 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-057-6/ %R 10.4153/CJM-1967-057-6 %F 10_4153_CJM_1967_057_6