BABAYEV, M. Boundary Value Problem for the Fifth Order Partial Differential Equations. Journal of Osh State University. Differential Equations, [S. l.], n. 2, p. 97–115, 2026. Disponível em: https://journal.oshsu.kg/index.php/diffeq/article/view/4862. Acesso em: 17 авг. 2026.