%0 Journal Article %A Davis, Chandler %A Radjavi, Heydar %A Rosenthal, Peter %T On Operator Algebras and Invariant Subspaces %J Canadian journal of mathematics %D 1969 %P 1178-1181 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-129-9/ %R 10.4153/CJM-1969-129-9 %F 10_4153_CJM_1969_129_9