Geodesic
Pointwise estimates for modified positive linear operators
Portugaliae mathematica, Tome 46 (1989) no. 4, pp. 401-430.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Keywords: second order modulus of continuity, Durrmeyer operators, Boolean sum technique, Gopengauz-type estimates 
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     author = {Cao, Jia-Ding and Gonska, Heinz H.},
     title = {Pointwise estimates for modified positive linear operators},
     journal = {Portugaliae mathematica},
     pages = {401--430},
     publisher = {mathdoc},
     volume = {46},
     number = {4},
     year = {1989},
     mrnumber = {1032511},
     zbl = {0683.41031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1989__46_4_115681/}
}
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Cao, Jia-Ding; Gonska, Heinz H. Pointwise estimates for modified positive linear operators. Portugaliae mathematica, Tome 46 (1989) no. 4, pp. 401-430. http://geodesic.mathdoc.fr/item/PORMA_1989__46_4_115681/