NERURKAR, M. Lifting ergodicity in $(G,\sigma)$-extension. Topological Methods in Nonlinear Analysis, [S. l.], v. 30, n. 1, p. 193–210, 2007. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2007.025. Acesso em: 22 jul. 2024.