Vijay Gupta, Themistocles M. Rassias. Direct estimates for certain Szász type operators. Applied Mathematics and Computation, 251:469-474, 2015. [doi]
@article{GuptaR15,
title = {Direct estimates for certain Szász type operators},
author = {Vijay Gupta and Themistocles M. Rassias},
year = {2015},
doi = {10.1016/j.amc.2014.11.078},
url = {http://dx.doi.org/10.1016/j.amc.2014.11.078},
researchr = {https://researchr.org/publication/GuptaR15},
cites = {0},
citedby = {0},
journal = {Applied Mathematics and Computation},
volume = {251},
pages = {469-474},
}