1. On two problems concerning linear transformations in Hilbert space;Beurling;Acta Math.,1949
2. Brickman, L. and Fillmore, P. A., The invariant subspace lattice of a linear transformation. (to be published.)
3. Algebraic properties of Toeplitz operators;Brown;J. Reine Angew. Math.,1963
4. On the decomposition of invariant subspaces;Crimmins;Bull. Am. Math. Soc.,1967
5. Les algèbres d'operateurs dans l'espace hilbertien;Dixmier,1957