BRAHA, Naim L.; LOKU, Valdete. Statistical Korovkin and Voronovskaya type theorem for the Ces´aro second-order operator of fuzzy numbers. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 65, n. 4, p. 561–574, 2020. DOI: 10.24193/subbmath.2020.4.06. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2609. Acesso em: 19 apr. 2025.