1. A note on q-Baskakov–Szász operators;Gupta;Lobachevskii J. Math.,2010
2. Simultaneous approximation by Baskakov–Szász type operators;Gupta;Bull. Math. Soc. Sci. Math. Roumanie (N. S.),1993
3. A short note on approximation properties of q-Baskakov–Szász–Stancu operators;Mishra;Southeast Asian Bull. Math.,2014
4. Approximation by Baskakov–Durrmeyer–Stancu operators based on q-integers;Verma;Lobachevskii J. Math.,2013
5. Approximation properties by q-Durrmeyer–Stancu operators;Içöz;Anal. Theory Appl.,2013