@article{1104202852,
author = {Albanese, Claudio and Fr\"ohlich, J\"urg},
title = {Perturbation theory for periodic orbits in a class of infinite-dimensional Hamiltonian systems},
journal = {Comm. Math. Phys.},
volume = {135},
number = {2},
year = {1991},
pages = { 193-205},
language = {en},
url = {http://dml.mathdoc.fr/item/1104202852}
}
Albanese, Claudio; Fröhlich, Jürg. Perturbation theory for periodic orbits in a class of infinite-dimensional Hamiltonian systems. Comm. Math. Phys., Tome 135 (1991) no. 2, pp. 193-205. http://gdmltest.u-ga.fr/item/1104202852/