Stancu type generalization of modified Schurer operators based on q-integers. - P. N. Agrawal; A. Sathish Kumar; Thakur Ashok K. Sinha (Appl. Math. Comput., 2014)

Convergence of derivative of Szász type operators involving Charlier polynomials. - Purshottam Narain Agrawal; Thakur Ashok K. Sinha; Avinash Sharma (Math. Found. Comput., 2022)