Schauder Type Theorems for Differentiable and Holomorphic Mappings. M. González; J.M. Gutiérrez — 1996 Monatshefte für Mathematik
A generalization of the quasiconvex optimization problem. Gutiérrez, J.M. — 1997 Journal of Convex Analysis
On the approximate solution of some Fredholm integral equations by Newton's method. Gutiérrez, J.M.; Hernández, M.A.; Salanova, M.A. — 2004 Southwest Journal of Pure and Applied Mathematics [electronic only]