FENILLE, Marcio Colombo and GONÇALVES, Daciberg Lima. A function à la Hopf-Whitney that detects or not strong surjectivity. Topological Methods in Nonlinear Analysis. Online. 18 May 2026. pp. 1 - 18. [Accessed 14 June 2026]. DOI 10.12775/TMNA.2025.048.