@article{GDZPPN002238020,
title = {Negative results on the Nash-Moser theorem for K\"othe sequences spaces and for spaces of ultradifferentiable functions.},
journal = {Manuscripta mathematica},
volume = {91},
year = {1996},
pages = {465-478},
zbl = {0871.46003},
url = {http://dml.mathdoc.fr/item/GDZPPN002238020}
}
Poppenberg, Markus. Negative results on the Nash-Moser theorem for Köthe sequences spaces and for spaces of ultradifferentiable functions.. Manuscripta mathematica, Tome 91 (1996) pp. 465-478. http://gdmltest.u-ga.fr/item/GDZPPN002238020/