PETUNIN , Yu. I.; SAVKIN , V. I. Convergence, brought to life by analytical functionals, and isomorphism of analytical-function algebras. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 6, p. 799–803, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9296. Acesso em: 6 dec. 2025.