KOROLYUK, V. S.; LIMNIOS, N. Diffusion Approximation with Equilibrium for Evolutionary Systems Switched by Semi-Markov Processes. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 57, n. 9, p. 1253–1260, 2005. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3682. Acesso em: 5 dec. 2025.