BashunS. Y. (2019) “Finite simple groups with Hall $\{2, r\}$-subgroups, $r \in π(G) \backslash \{2, t\}$, $t \in π(G) $”, Ukrains’kyi Matematychnyi Zhurnal, 71(6), pp. 852-857. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/1480 (Accessed: 28November2020).