@article{GDZPPN002321130,
title = {Holomorphic Approximation of Ultradifferentiable Functions.},
journal = {Mathematische Annalen},
volume = {255},
year = {1981},
pages = {293-316},
zbl = {0463.32007},
url = {http://dml.mathdoc.fr/item/GDZPPN002321130}
}
Droste, Bernd. Holomorphic Approximation of Ultradifferentiable Functions.. Mathematische Annalen, Tome 255 (1981) pp. 293-316. http://gdmltest.u-ga.fr/item/GDZPPN002321130/