TASKINEN, J. Examples of non-distinguished Fréchet spaces. Annales Fennici Mathematici, [S. l.], v. 14, n. 1, p. 75–88, 1989. DOI: 10.5186/aasfm.1989.1431. Disponível em: https://afm.journal.fi/article/view/134648. Acesso em: 25 nov. 2024.