ARZUMANIAN, Victor; EIGEN, Stanley; HAJIAN, Arshag. Notes on Ergodic Theory in Infinite Measure Spaces. Armenian Journal of Mathematics, Yerevan, Armenia, v. 7, n. 2, p. 97–120, 2015. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/115. Acesso em: 26 apr. 2025.