@article{3049,
author = {Silva, M.R. da},
title = {Nonnegative order iterates of Bernstein polynomials and their limiting semigroup},
journal = {Portugaliae mathematica},
volume = {42},
year = {1983},
pages = {225-248},
zbl = {0562.41007},
mrnumber = {0819903},
language = {en},
url = {http://dml.mathdoc.fr/item/3049}
}
Silva, M.R. da. Nonnegative order iterates of Bernstein polynomials and their limiting semigroup. Portugaliae mathematica, Tome 42 (1983) pp. 225-248. http://gdmltest.u-ga.fr/item/3049/