BULDYGIN, V. V.; KOVAL, V. A. Strong Law of Large Numbers with Operator Normalizations for Martingales and Sums of Orthogonal Random Vectors. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 8, p. 1045–1061, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4508. Acesso em: 6 dec. 2025.