Pratsiovytyi, M., Ya. Goncharenko, I. Lysenko, and S. Ratushniak. “ Finite $A_2$-Continued Fractions in the Problems of Rational Approximations of Real Numbers”. Ukrains’kyi Matematychnyi Zhurnal 75, no. 6 (June 20, 2023): 849 - 858. Accessed January 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/7413.