SOLANILLA, L.; PALACIO, Óscar; HERNÁNDEZ, U. A simple proof of Abel’s theorem on the lemniscate. Ingeniería y Ciencia, [S. l.], v. 6, n. 12, p. 43–49, 2010. Disponível em: https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/331. Acesso em: 5 may. 2024.