Note on KKM maps and applications. Chen, Y.Q., Cho, Y.J., Kim, J.K., Lee, B.S. (2006) Fixed Point Theory and Applications [electronic only]
Note on nonlinear spectral theory: Application to boundary value problems for ordinary integrodifferential equations Svatopluk Fučík, Dien Hien Tran (1973) Commentationes Mathematicae Universitatis Carolinae
Note on weakly inward mappings Michal Fečkan (1996) Annales Polonici Mathematici The Nielsen fixed point theory is used to show several results for certain operator equations involving weakly inward mappings.
Numerical treatment of fixed point applied to the nonlinear Fredholm integral equation. Berenguer, M.I., Muñoz, M.V.Fernández, Guillem, A.I.Garralda, Galán, M.Ruiz (2009) Fixed Point Theory and Applications [electronic only]