@article{GDZPPN001173073,
title = {The Optimal Recovery of Smooth Function.},
journal = {Numerische Mathematik},
volume = {26},
year = {1976},
pages = {191-200},
zbl = {0335.65004},
url = {http://dml.mathdoc.fr/item/GDZPPN001173073}
}
Micchelli, C.A.; Rivlin, T.J.; Winograd, S. The Optimal Recovery of Smooth Function.. Numerische Mathematik, Tome 26 (1976) pp. 191-200. http://gdmltest.u-ga.fr/item/GDZPPN001173073/