@article{02166297,
title = {Density in approximation theory.},
journal = {Surveys in Approximation Theory (SAT)[electronic only]},
volume = {1},
year = {2005},
pages = {1-45},
zbl = {1067.41003},
language = {en},
url = {http://dml.mathdoc.fr/item/02166297}
}
Pinkus, Allan. Density in approximation theory.. Surveys in Approximation Theory (SAT)[electronic only], Tome 1 (2005) pp. 1-45. http://gdmltest.u-ga.fr/item/02166297/