WEIGHTED APPROXIMATION IN UNIFORM NORM BY MEYER-K¨ONIG AND ZELLER OPERATORS. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 104, p. 77–87, 2017. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/38. Acesso em: 17 dec. 2025.