Approximation by linear combination of Szász-Mirakian operators H. Kasana; P. Agrawal — 1999 Colloquium Mathematicae
An Estimate Of The Rate Of Convergence For Modified Szász-Mirakyan Operators Of Function Of Bounded Variation Vijay Gupta; P. N. Agrawal — 1991 Publications de l'Institut Mathématique
Simultaneous approximation by linear combination of modified bernstein polynomials P. N. Agrawal; Vijay Gupta — 1989 Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
A saturation theorem for combinations of Bernstein-Durrmeyer polynomials P. N. Agrawal; Vijay Gupta — 1992 Annales Polonici Mathematici We prove a local saturation theorem in ordinary approximation for combinations of Durrmeyer's integral modification of Bernstein polynomials.