ELEIKO, Ya. I. Limiting distribution of time averages for the additive functionals preset on the semi-Markovian process. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 42, n. 6, p. 843–847, 1990. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8850. Acesso em: 6 dec. 2025.