Chabanyuk YM. Asymptotic normality of a discrete procedure of stochastic approximation in a semi-Markov medium. Ukr. Mat. Zhurn. [Internet]. 2006Oct.25 [cited 2024Nov.22];58(10):1425–1433. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3543