NAGAEV, A.; BADALBAEV, I. The refinements of some theorems for the random branching processes. Lithuanian Mathematical Journal, [S. l.], v. 7, n. 1, p. 129–136, 1967. DOI: 10.15388/LMJ.1967.19938. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19938.. Acesso em: 3 may. 2024.