G. BAȘCANBAZ-TUNCA, N. ÇETIN, and S. G. GAL, “Complex Operators Generated by q-Bernstein Polynomials, q≥1: Dedicated to the memory of Akif D. Gadjiev”, Stud. Univ. Babeş-Bolyai Math., vol. 61, no. 2, pp. 169–176, Jun. 2016.