For citations:

Shteinikov Y.N. On the Question of the Number of Polynomials ƒ of Degree 9 Defining a Hyperelliptic Field with a Fundamental S-unit of Degree 13 and a Periodic Expansion of the square root of ƒ. SRISA Proceedings. 2025;15(2):22-26. (In Russ.) https://doi.org/10.25682/NIISI.2025.2.0003