Rakhimov, A. A., and H. Akin. “On Mixing and Completely Mixing Properties of Positive $L^1$-Contractions of Finite Real W* -Algebras”. Methods of Functional Analysis and Topology 16, no. 3 (September 25, 2010): 259–263. Accessed December 17, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/454.