no. 6
Existence of a closed geodesic on p-convex sets
Annales de l'I.H.P. Analyse non linéaire, Tome 5 (1988) no. 6, pp. 501-518. 
@article{AIHPC_1988__5_6_501_0,
     author = {Canino, Annamaria},
     title = {Existence of a closed geodesic on $p$-convex sets},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {501--518},
     publisher = {Gauthier-Villars},
     volume = {5},
     number = {6},
     year = {1988},
     mrnumber = {978669},
     zbl = {0698.58017},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_1988__5_6_501_0/}
}
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Canino, Annamaria. Existence of a closed geodesic on $p$-convex sets. Annales de l'I.H.P. Analyse non linéaire, Tome 5 (1988) no. 6, pp. 501-518. http://www.numdam.org/item/AIHPC_1988__5_6_501_0/

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