@article{10_14708_cm_v30i1_6290,
     author = {G. Anio{\l} and P. Pych-Taberska},
     title = {On the rate of convergence of the {Durrmeyer} polynomials},
     journal = {Commentationes Mathematicae},
     pages = { 9--17},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1990},
     doi = {10.14708/cm.v30i1.6290},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v30i1.6290/}
}