[1] J. Diestel: Geometry of Banach Spaces - Selected Topics. Lecture Notes In Mathematics 485, Springer-Verlag, Berlin, Heidelberg, New York, 1975. MR 0461094 | Zbl 0307.46009

[2] B. Halpern: Fixed points of nonexpanding maps. Bull. Amer. Math. Soc. 73 (1967), 957-961. MR 0218938 | Zbl 0177.19101

[3] J.-P. Gossez E. Lami Dozo: Some geometric properties related to the fixed point theory for nonexpansive mappings. Pacific J. Math. 40 (3) (1972), 565-572. MR 0310717

[4] G. Müller J. Reinermann: Fixed point theorems for pseudocontractive mappings and a counterexample for compact maps. Comment. Math. Univ. Carolinae 18 (2) (1977), 281-298. MR 0448173

[5] S. Reich: Asymptotic behaviour of contractions in Banach Spaces. J. Math. Anal. Appl. 44 (1973), 57-70. MR 0328689

[6] J. Reinermann: Approximation von Fixpunkten. Studia Math. 39 (1971), 1-15. MR 0305164 | Zbl 0219.47056