KOLAR-ŠUPER, R. .; KOLAR-BEGOVIĆ, Z.; VOLENEC, V. Dual Feuerbach Theorem in an Isotropic Plane. Sarajevo Journal of Mathematics, [S. l.], v. 6, n. 1, p. 109–115, 2024. DOI: 10.5644/SJM.06.1.09. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/330. Acesso em: 15 oct. 2024.