SIVAK, A. G. Descriptive Estimates for a Set of Points That Approximate an Ergodic Measure. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 55, n. 6, p. 817–823, 2003. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3956. Acesso em: 5 dec. 2025.