TY  - JOUR
AU  - Markus Poppenberg
TI  - Negative results on the Nash-Moser theorem for Köthe sequences spaces and for spaces of ultradifferentiable functions.
JO  - Manuscripta mathematica
PY  - 1996
SP  - 465
EP  - 478
VL  - 90
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1996__90_2_156206/
ID  - MM2_1996__90_2_156206
ER  -