1. Azarnia N.,Tomita-Takesaki theory and center-valued weights, preprint.
2. Dixmier J.,Les Algebres d’operateurs dans l’espace hilbertien, Gauthier-Villars, Paris, 1969.
3. Halpern H.,One parameter group of automorphisms of generalized KH-algebras, Preprint.
4. Kaplansky I.,Projections in Banach algebras, Annals of Mathematics,53 (1951), 235–249.
5. Kaplansky I.,Modules over operator algebras, Amer. J. of Math.,75 (1953), 839–859.