Ulrich Abel, Mircea Ivan, Radu Paltanea. The Durrmeyer variant of an operator defined by D.D. Stancu. Applied Mathematics and Computation, 259:116-123, 2015. [doi]
@article{AbelIP15, title = {The Durrmeyer variant of an operator defined by D.D. Stancu}, author = {Ulrich Abel and Mircea Ivan and Radu Paltanea}, year = {2015}, doi = {10.1016/j.amc.2015.02.026}, url = {http://dx.doi.org/10.1016/j.amc.2015.02.026}, researchr = {https://researchr.org/publication/AbelIP15}, cites = {0}, citedby = {0}, journal = {Applied Mathematics and Computation}, volume = {259}, pages = {116-123}, }