@article{GDZPPN002297426,
title = {Convergent Series Expansions for Quasi-Periodic Motions.},
journal = {Mathematische Annalen},
volume = {174},
year = {1967},
pages = {136-176},
zbl = {0149.29903},
url = {http://dml.mathdoc.fr/item/GDZPPN002297426}
}
Moser, J. Convergent Series Expansions for Quasi-Periodic Motions.. Mathematische Annalen, Tome 174 (1967) pp. 136-176. http://gdmltest.u-ga.fr/item/GDZPPN002297426/