LAPSHIN, A. L. Filtration of random solutions of a system of linear difference equations with coefficients depending on a Markov chain. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 4, p. 590–592, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4929. Acesso em: 5 dec. 2025.