Pratsiovytyi, M., Goncharenko, Y., Lysenko, I. and Ratushniak, S. (2023) “ Finite $A_2$-continued fractions in the problems of rational approximations of real numbers”, Ukrains’kyi Matematychnyi Zhurnal, 75(6), pp. 849 - 858. doi: 10.37863/umzh.v75i6.7413.