Seneta E. М. M. V. Ostrogradsky As Probabilist. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 53, n. 8, p. 1038–1047, 2001. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4324. Acesso em: 6 dec. 2025.