no. 1
Soliton equations and hyperbolic maps
Annales de l'I.H.P. Physique théorique, Tome 38 (1983) no. 1, pp. 49-58. 
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     author = {Hodgkin, Luke},
     title = {Soliton equations and hyperbolic maps},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {49--58},
     publisher = {Gauthier-Villars},
     volume = {38},
     number = {1},
     year = {1983},
     mrnumber = {700699},
     zbl = {0538.35069},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1983__38_1_49_0/}
}
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Hodgkin, Luke. Soliton equations and hyperbolic maps. Annales de l'I.H.P. Physique théorique, Tome 38 (1983) no. 1, pp. 49-58. http://www.numdam.org/item/AIHPA_1983__38_1_49_0/

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