PETUNIN, Yu. I.; Rublev В. V. Minimum-Area ellipse containing a finite set of points. I. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 7, p. 980–988, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4877. Acesso em: 6 dec. 2025.