J. M. Aldaz, Ognyan Kounchev, Hermann Render. Shape preserving properties of generalized Bernstein operators on Extended Chebyshev spaces. Numerische Mathematik, 114(1):1, 2009. [doi]
@article{AldazKR09,
title = {Shape preserving properties of generalized Bernstein operators on Extended Chebyshev spaces},
author = {J. M. Aldaz and Ognyan Kounchev and Hermann Render},
year = {2009},
doi = {10.1007/s00211-009-0248-0},
url = {https://doi.org/10.1007/s00211-009-0248-0},
researchr = {https://researchr.org/publication/AldazKR09},
cites = {0},
citedby = {0},
journal = {Numerische Mathematik},
volume = {114},
number = {1},
pages = {1},
}