GusakD. V. and KulikA. M. (2000) “The third ukrainian-scandinavian conference on probability theory and mathematical statistics”, Ukrains’kyi Matematychnyi Zhurnal, 52(2), p. 288. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4418 (Accessed: 27July2024).