1. Midpoint local uniform convexity and other geometric properties of Banach spaces;Anderson,1960
2. On the asymptotic behavior of nonexpansive mappings and semigroups in Banach spaces;Baillon;Houston J. Math.,1978
3. Produits infinis de résolvantes;Brezis;Israel J. Math,1978
4. Nonlinear mappings of nonexpansive and accretive type in Banach spaces;Browder;Bull. Am. math. Soc.,1967
5. Spaces with non-positive curvature;Busemann;Acta Math.,1948