PROBLEM WITH SHIFT CONDITION FOR A SECOND KIND DEGENERATED EQUATION OF HYPERBOLIC TYPE. Scientific journal of the Fergana State University, [S. l.], n. 6, p. 6–10, 2023. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/1032. Acesso em: 18 dec. 2025.