HNATYUK, Yu. V. Best Uniform Approximation of a Family of Functions Continuous on a Compact Set. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 11, p. 1574–1580, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4194. Acesso em: 7 apr. 2025.