Rosa, V. and Chabanyuk, Y.M. (2018) “Procedure of stochastic approximation for the diffusion process with semi-Markov switchings”, Ukrains’kyi Matematychnyi Zhurnal, 70(11), pp. 1563–1570. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1660 (Accessed: 5 December 2025).