Trif, Tiberiu. “A Voronovskaja-Type Formula for the \(q\)-Meyer-König and Zeller Operators”. Rev. Anal. Numér. Théor. Approx. 40, no. 1 (February 1, 2011): 80–89. Accessed November 23, 2024. https://ictp.acad.ro/jnaat/journal/article/view/2011-vol40-no1-art8.