KOVAL, V. A. Bounded law of the iterated logarithm for multidimensional martingales normalized by matrices. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 7, p. 1006–1008, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3510. Acesso em: 6 dec. 2025.