MuratovM. A., and ChilinV. I. 2003. “Almost-Everywhere Convergence and (<em class="a-Plus-plus">o</Em&gt;)-Convergence in Rings of Measurable Operators Associated With a Finite Von Neumann Algebra”. Ukrains’kyi Matematychnyi Zhurnal 55 (9), 1196-1205. https://umj.imath.kiev.ua/index.php/umj/article/view/3992.