For citations:

Khasanov A.B., Normurodov Kh.N. Integration of a sine-Gordon type equation with an additional term in the class of periodic infinite-gap functions. Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika. 2024;(3):70-83. (In Russ.) https://doi.org/10.26907/0021-3446-2024-3-70-83