KhasanovA. B., NormurodovKh. N., and KhasanovT. G. “Integration of a Nonlinear Sine-Gordon–Liouville-Type Equation in the Class of Periodic Infinite-Gap Functions”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 8 (September 4, 2024): 1217 - 1234. Accessed October 12, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7610.