BRAUN, Francisco, DIAS, Luis Renato Gonçalves and SANTOS, Jean Venato. On global invertibility of semi-algebraic local diffeomorphisms. Topological Methods in Nonlinear Analysis. Online. 2 December 2021. Vol. 58, no. 2, pp. 713 - 730. [Accessed 3 July 2024]. DOI 10.12775/TMNA.2021.004.