Muratov, M. A., and V. I. Chilin. “Almost-Everywhere Convergence and (o)-Convergence in Rings of Measurable Operators Associated With a Finite Von Neumann Algebra”.
Ukrains’kyi Matematychnyi Zhurnal, vol. 55, no. 9, Sept. 2003, pp. 1196-05,
https://umj.imath.kiev.ua/index.php/umj/article/view/3992.