Matrix second-order differential equations and hamiltonian systems of quartic type
Annales de l'I.H.P. Physique théorique, Tome 50 (1989) no. 3, pp. 369-375.
@article{AIHPA_1989__50_3_369_0,
author = {Fran\c{c}oise, Jean-Pierre and Ragnisco, O.},
title = {Matrix second-order differential equations and hamiltonian systems of quartic type},
journal = {Annales de l'I.H.P. Physique th\'eorique},
pages = {369--375},
publisher = {Gauthier-Villars},
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year = {1989},
zbl = {0695.58012},
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language = {en},
url = {http://archive.numdam.org/item/AIHPA_1989__50_3_369_0/}
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Françoise, J. P.; Ragnisco, O. Matrix second-order differential equations and hamiltonian systems of quartic type. Annales de l'I.H.P. Physique théorique, Tome 50 (1989) no. 3, pp. 369-375. http://archive.numdam.org/item/AIHPA_1989__50_3_369_0/

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