PRATSIOVYTYI, M.; GONCHARENKO, Ya.; LYSENKO, I.; RATUSHNIAK, S. Finite $A_2$-continued fractions in the problems of rational approximations of real numbers: . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 75, n. 6, p. 849–858, 2023. DOI: 10.37863/umzh.v75i6.7413. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7413. Acesso em: 15 dec. 2025.