Citation:
V. G. Zhuravlev, “Periodic karyon expansions of cubic irrationals in continued fractions”, Number Theory and Applications, 1, Dedicated to 80th anniversary of professor Anatolii Alekseevich Karatsuba, Sovrem. Probl. Mat., 23, Steklov Math. Institute of RAS, Moscow, 2016, 43–68; Proc. Steklov Inst. Math., 296, suppl. 2 (2017), 36–60