TY  - JOUR
AU  - Hans-Joachim Petzsche
TI  - Approximation of Ultra-Differentiable Functions by Polynomials and Entire Functions.
JO  - Manuscripta mathematica
PY  - 1984
SP  - 227
EP  - 250
VL  - 48
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1984__48_155026/
ID  - MM2_1984__48_155026
ER  -