@article{10_4064_ap_64_2_153_159,
     author = {Vijay Gupta and G. Srivastava},
     title = {Approximation by {Durrmeyer-type} operators},
     journal = {Annales Polonici Mathematici},
     pages = {153--159},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1996},
     doi = {10.4064/ap-64-2-153-159},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-64-2-153-159/}
}