Closed orbits of fixed energy for a class of N-body problems
Annales de l'I.H.P. Analyse non linéaire, Volume 9 (1992) no. 2, p. 187-200
@article{AIHPC_1992__9_2_187_0,
author = {Ambrosetti, Antonio and Coti Zelati, Vittorio},
title = {Closed orbits of fixed energy for a class of N-body problems},
journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
publisher = {Gauthier-Villars},
volume = {9},
number = {2},
year = {1992},
pages = {187-200},
zbl = {0757.70007},
mrnumber = {1160848},
language = {en},
url = {http://www.numdam.org/item/AIHPC_1992__9_2_187_0}
}

Ambrosetti, A.; Coti-Zelati, V. Closed orbits of fixed energy for a class of N-body problems. Annales de l'I.H.P. Analyse non linéaire, Volume 9 (1992) no. 2, pp. 187-200. http://www.numdam.org/item/AIHPC_1992__9_2_187_0/

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