1. Nonlinear operators in Banach spaces;Browder, Felix E.;Math. Ann.,1965
2. Fixed point theorems for nonlinear semicontractive mappings in Banach spaces;Browder, Felix E.;Arch. Rational Mech. Anal.,1966
3. Semicontractive and semiaccretive nonlinear mappings in Banach spaces;Browder, Felix E.;Bull. Amer. Math. Soc.,1968
4. 4. F. E. Browder, Fixed point and mapping theorems in infinite dimensional spaces, Proc. Conference on Inf. Dim. Topology, 1967 (to appear).
5. 5. R. Cacciopoli, Sulle corrispondenze funzionali inverse diramate, Rend. Accad. Naz. Lincei 24 (1936), 258-263.