Geodesic
Remarks on fixed points
Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali, Série 8, Tome 52 (1972) no. 5, pp. 689-697

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Zbl MR
Si fanno alcune osservazioni sui Teoremi relativi ai punti fissi e si stabiliscono nuove proprietà sulle trasformazioni non espansive in certi spazi di Banach. 
Reich, Simeon. Remarks on fixed points. Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali, Série 8, Tome 52 (1972) no. 5, pp. 689-697. http://geodesic.mathdoc.fr/item/RLINA_1972_8_52_5_a14/
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