1. Mihesan, V.: Uniform approximation with positive linear operators generated by generalized Baskakov method. Automat. Comput. Appl. Math. 7(1), 34–37 (1998)
2. Erencin, A., Bascanbaz-Tunca, G.: Approximation properties of a class of linear positive operators in weighted spaces. C. R. Acad. Bulg. Sci. 63(10), 1397–1404 (2010)
3. Erencin, A.: Durrmeyer type modification of generalized Baskakov operators. Appl. Math. Comput. 218(3), 4384–4390 (2011)
4. Gupta, V.: A note on modified Baskakov type operators. Approx. Theory Appl. 10(3), 74–78 (1994)
5. Gonska, H., Kacsó, D., Rasa, I.: On genuine Bernstein–Durrmeyer operators. Result. Math. 50, 213–225 (2007)