Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_2011_25_1-2_a2, author = {P.Parvanov}, title = {Weighted {Approximation} by a {Class} of {Bernstein-Type} {Operators}}, journal = {Mathematica balkanica}, pages = {31}, publisher = {mathdoc}, volume = {25}, number = {1-2}, year = {2011}, url = {http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a2/} }
P.Parvanov. Weighted Approximation by a Class of Bernstein-Type Operators. Mathematica balkanica, Tome 25 (2011) no. 1-2, p. 31. http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a2/