SHURENKOV , V. M. Soviet-Swiss symposium on the branching processes. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 43, n. 2, p. 286, 2025. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9372. Acesso em: 6 dec. 2025.