ASIF KHAN; ZAHEER ABBAS; MOHD QASIM; M. MURSALEEN. Approximation by modified Lupa¸s operators based on (p, q)–integers. Journal of Computational Analysis and Applications (JoCAAA), [S. l.], v. 29, n. 5, p. 922–933, 2021. Disponível em: http://eudoxuspress.com/index.php/pub/article/view/203. Acesso em: 1 sep. 2024.