Geodesic
Some fixed point problems
Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali, Série 8, Tome 57 (1974) no. 3-4, pp. 194-198

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In questa Nota sono elencati dieci problemi, ritenuti dall'Autore non risolti, sui punti fissi di spazi metrici, normati e localmente convessi. 
Reich, Simeon. Some fixed point problems. Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali, Série 8, Tome 57 (1974) no. 3-4, pp. 194-198. http://geodesic.mathdoc.fr/item/RLINA_1974_8_57_3-4_a10/
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