On some generating functions for the extended generalized Hermite polynomials. - G. C. Greubel (Appl. Math. Comput., 2006)

Moment estimations of new Szász-Mirakyan-Durrmeyer operators. - Vijay Gupta 002; G. C. Greubel (Appl. Math. Comput., 2015)

On modified Post-Widder operators which fix exponentials. - G. C. Greubel (Math. Found. Comput., 2023)

On Szász-Mirakyan-Jain Operators preserving exponential functions. - G. C. Greubel (Math. Found. Comput., 2023)