no. 2
Non-collision solutions for a second order singular hamiltonian system with weak force
Annales de l'I.H.P. Analyse non linéaire, Tome 10 (1993) no. 2, pp. 215-238. 
@article{AIHPC_1993__10_2_215_0,
     author = {Tanaka, Kazunaga},
     title = {Non-collision solutions for a second order singular hamiltonian system with weak force},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {215--238},
     publisher = {Gauthier-Villars},
     volume = {10},
     number = {2},
     year = {1993},
     mrnumber = {1220034},
     zbl = {0781.58036},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPC_1993__10_2_215_0/}
}
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Tanaka, Kazunaga. Non-collision solutions for a second order singular hamiltonian system with weak force. Annales de l'I.H.P. Analyse non linéaire, Tome 10 (1993) no. 2, pp. 215-238. http://archive.numdam.org/item/AIHPC_1993__10_2_215_0/

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