Convergence of Birkhoff normal forms for integrable systems.
Ito, Hidekazu
Commentarii mathematici Helvetici, Tome 64 (1989), p. 412-461 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1989-01-01
EUDML-ID : urn:eudml:doc:140164 
@article{GDZPPN002067285,
     title = {Convergence of Birkhoff normal forms for integrable systems.},
     journal = {Commentarii mathematici Helvetici},
     volume = {64},
     year = {1989},
     pages = {412-461},
     zbl = {0686.58021},
     url = {http://dml.mathdoc.fr/item/GDZPPN002067285}
}

Ito, Hidekazu. Convergence of Birkhoff normal forms for integrable systems.. Commentarii mathematici Helvetici, Tome 64 (1989) pp. 412-461. http://gdmltest.u-ga.fr/item/GDZPPN002067285/