KHAN, A.; ABBAS, Z.; QASIM, M.; MURSALEEN, M. Approximation by Modified Lupaş-Stancu Operators Based on (p, q)-Integers. Eurasian Mathematical Journal, [S. l.], v. 12, n. 2, 2021. Disponível em: https://emj.enu.kz/index.php/main/article/view/214. Acesso em: 5 oct. 2024.