FILOBELLO-NINO, U. et al. An easy and computable approximation for Troesch’s problem by using the Laplace Transform-Homotopy Perturbation Method. Acta Universitaria, [S. l.], v. 29, p. 1–14, 2019. DOI: 10.15174/au.2019.2065. Disponível em: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/2065. Acesso em: 8 may. 2026.