Lebedev, E.O. (2002) “Stationary Mode and Binomial Moments for Networks of the Type $[SM|GI|∞]^r$”,
Ukrains’kyi Matematychnyi Zhurnal, 54(10), pp. 1371–1380. Available at:
https://umj.imath.kiev.ua/index.php/umj/article/view/4175 (Accessed: 10 April 2025).