PAKAPONGPUN, A.; SRISUK, S. On the Problem of Tangency of Ellipse Curve. Asian Journal of Applied Sciences, [S. l.], v. 6, n. 6, 2018. DOI: 10.24203/ajas.v6i6.5534. Disponível em: https://ajouronline.com/index.php/AJAS/article/view/5534. Acesso em: 26 jan. 2022.