KOVAL, V. A. On One Sufficient Condition for the Validity of the Strong Law of Large Numbers for Martingales. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 10, p. 1357–1362, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4542. Acesso em: 7 apr. 2025.