@article{00528866,
title = {Approximation of continuous functions by monotone sequences of generalized polynomials with restricted coefficients.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {52(66)},
year = {1992},
pages = {61-66},
zbl = {0803.41008},
language = {en},
url = {http://dml.mathdoc.fr/item/00528866}
}
Gal, S.G. Approximation of continuous functions by monotone sequences of generalized polynomials with restricted coefficients.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 52(66) (1992) pp. 61-66. http://gdmltest.u-ga.fr/item/00528866/