CHABANYUK, Ya. M. Asymptotic normality of a discrete procedure of stochastic approximation in a semi-Markov medium. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 10, p. 1425–1433, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3543. Acesso em: 6 dec. 2025.