1. Degree Theory;Birkhäuser Advanced Texts Basler Lehrbücher;2024
2. Nonlinear Operators;Research Topics in Analysis, Volume I;2022
3. The Kronecker Index and the Brouwer Degree;Progress in Nonlinear Differential Equations and Their Applications;2020-12-17
4. A KAM theorem for the elliptic lower dimensional tori with one normal frequency in reversible systems;Discrete & Continuous Dynamical Systems - A;2017
5. Spectrum of Differential Operators;Topological and Variational Methods with Applications to Nonlinear Boundary Value Problems;2013-10-17