Periodic boundary value problem for nonlinear first order ordinary differential equations with impulses at fixed moments. Daniel Franco; Juan J. Nieto; Yuri V. Rogovchenko — 1998 Extracta Mathematicae
Upper and lower solutions for first order problems with nonlinear boundary conditions. Daniel Franco; Juan J. Nieto; Donal O'Regan — 2003 Extracta Mathematicae
Dynamics of a rational system of difference equations in the plane. Bajo, Ignacio; Franco, Daniel; Perán, Juan — 2011 Advances in Difference Equations [electronic only]