KHAJIYEV I.O; MAMATKULOVA M.SH.; ROZIMATOV J.A. Conditional Correctness of a BoundaryBorder Problem for a System of TimeVarying Directional Equations. Global Scientific Review, [S. l.], v. 13, p. 53–58, 2023. Disponível em: http://scienticreview.com/index.php/gsr/article/view/176. Acesso em: 10 jan. 2025.