ARAL, Ali. Weighted approximation: Korovkin and quantitative type theorems. Modern Mathematical Methods, [S. l.], v. 1, n. 1, p. 1–21, 2023. DOI: 10.64700/mmm.25. Disponível em: https://modernmathmeth.com/index.php/pub/article/view/25. Acesso em: 30 aug. 2025.