1. B. Blackadar, Operator Algebras. Encyclopaedia of Mathematical Sciences, vol. 122 (Springer, Berlin, 2006). Theory of C
∗-algebras and von Neumann algebras; Operator Algebras and Non-commutative Geometry, III. MR 2188261
2. V.F.R. Jones, Von Neumann Algebras, 2009 to 2015. Lecture Notes.
https://math.vanderbilt.edu/jonesvf/VONNEUMANNALGEBRAS2015/VonNeumann2015.pdf
3. nLab authors, von Neumann Algebra (2019).
http://ncatlab.org/nlab/show/von+Neumann+algebra
4. M. Reed, B. Simon, Methods of Modern Mathematical Physics. I. Functional Analysis, 2nd edn. (Academic, New York, 1980). MR 751959
5. S. Sakai, A characterization of W
∗-algebras. Pacific J. Math. 6, 763–773 (1956). MR 0084115