DOROGOVTSEV, A. A. Visiting measures and an ergodic theorem for a sequence of iterations with random perturbations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 1, p. 123–127, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4590. Acesso em: 14 apr. 2025.