J. Mawhin
Critical point theory and Hamiltonian systems
Nonlinear Operators and the Calculus of Variations
Nonlinear Operators and the Calculus of Variations: Summer School Held in Bruxelles, 8- 9 September 1975 (Lecture Notes in Mathematics) (English and French Edition)
The first 60 years of nonlinear analysis of Jean Mawhin
Topological degree methods in nonlinear boundary value problems
Les histoires belges d'Henri Poincaré
Points fixes, points critiques et problèmes aux limites
Problèmes de Dirichlet variationnels non linéaires