Khasanov, A. B., Normurodov, K. N., & Khasanov, T. G. (2024). Integration of a nonlinear sine-Gordon–Liouville-type equation in the class of periodic infinite-gap functions. Ukrains’kyi Matematychnyi Zhurnal, 76(8), 1217-1234. https://doi.org/10.3842/umzh.v76i8.7610