GUO, Y.-J. L. An ordinary differential equation arises in plane curve evolution. Tamkang Journal of Mathematics, [S. l.], v. 31, n. 4, p. 273–278, 2000. DOI: 10.5556/j.tkjm.31.2000.384. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/384. Acesso em: 26 apr. 2024.