LITVINOV, A. N.; REPIN, I. I. On closeness of distributions of two Markovian sums of random variables without a condition of limit neglections . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 23, n. 2, p. 248–253, 1971. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8509. Acesso em: 5 dec. 2025.