KARSLI, Harun, and Huseyin Erhan ATIN. 2015. “A Voronovskaya-Type Theorem for a Certain Nonlinear Bernstein Operators”. Studia Universitatis Babeș-Bolyai Mathematica 60 (2):249-58. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5730.