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 (Sep. 2003), 1196-1205.