Yuldashev, T. и Babayev, M. (2026) «Boundary Value Problem for a Nonlinear Partial Differential Equation», Journal of Osh State University. Differential Equations, (2), сс. 40–54. доступно на: https://journal.oshsu.kg/index.php/diffeq/article/view/4822 (просмотрено: 27 июль 2026).