ROSU, H. C.; MANCAS, S. C. Ermakov Equation and Camssa-Holm Waves. The Nepali Mathematical Sciences Report, [S. l.], v. 34, n. 1-2, p. 47–51, 2016. DOI: 10.3126/nmsr.v34i1-2.30016. Disponível em: https://www.nepjol.info/index.php/nmsr/article/view/30016. Acesso em: 18 may. 2024.