High-accuracy difference schemes for solving non-stationary fourth-order equations and their application to non-classical partial differential equations. Uzbek Mathematical Journal, [S. l.], v. 70, n. 1, p. 19–27, 2026. DOI: 10.29229/uzmj.2026-1-2. Disponível em: https://uzmj.mathinst.uz/index.php/uzmj/article/view/277.. Acesso em: 26 mar. 2026.