ALBANESE, Angela A.; BONET, José; WERNER J., Ricker. Mean ergodic operators in Fréchet spaces. Annales Fennici Mathematici, [S. l.], v. 34, n. 2, p. 401–436, 2009. Disponível em: https://afm.journal.fi/article/view/135276. Acesso em: 17 dec. 2025.