Shor , A. A. and Shor , A. E. (1992) “Characterization of residual σ-algebras ”, Ukrains’kyi Matematychnyi Zhurnal, 44(8), pp. 1149-1152. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/8052 (Accessed: 2June2024).