Gupta, M.K.; Manoj Kumar; Rupen Pratap Singh
(Український математичний журнал, 2007)
Very recently Deo, in the paper “Simultaneous approximation by Lupas operators with weighted function of Szasz operators” [J. Inequal. Pure Appl. Math., 5, No. 4 (2004)] claimed to introduce the integral modifications of ...