The main result of this paper is the following: if the Weierstrass division theorem is valid in a quasianalytic differentiable system, then this system is contained in the system of analytic germs. This result has already been known for particular examples, such as the quasianalytic Denjoy-Carleman classes.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm185-1-5,
author = {Abdelhafed Elkhadiri and Hassan Sfouli},
title = {Weierstrass division theorem in quasianalytic local rings},
journal = {Studia Mathematica},
volume = {187},
year = {2008},
pages = {83-86},
zbl = {1144.26032},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm185-1-5}
}
Abdelhafed Elkhadiri; Hassan Sfouli. Weierstrass division theorem in quasianalytic local rings. Studia Mathematica, Tome 187 (2008) pp. 83-86. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm185-1-5/