Simultaneous approximation by Szász-Mirakjan-Stancu-Durrmeyer type operators. - Vishnu Narayan Mishra; R. B. Gandhi (Period. Math. Hung., 2017)

Global approximation theorems for the generalized Szàsz-Mirakjan type operators in exponential weight spaces. - Vishnu Narayan Mishra; Ankita R. Devdhara; R. B. Gandhi (Appl. Math. Comput., 2018)