no. 3
Generic properties of classical n-body systems, in one dimension, and crystal theory
Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 37 (1982) no. 3, pp. 249-270 
@article{AIHPA_1982__37_3_249_0,
     author = {Duneau, M. and Katz, A.},
     title = {Generic properties of classical n-body systems, in one dimension, and crystal theory},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {249--270},
     year = {1982},
     publisher = {Gauthier-Villars},
     volume = {37},
     number = {3},
     mrnumber = {694588},
     zbl = {0526.70010},
     language = {en},
     url = {https://www.numdam.org/item/AIHPA_1982__37_3_249_0/}
}
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Duneau, M.; Katz, A. Generic properties of classical n-body systems, in one dimension, and crystal theory. Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 37 (1982) no. 3, pp. 249-270. https://www.numdam.org/item/AIHPA_1982__37_3_249_0/

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