ON A NONLOCAL PROBLEM FOR A FOURTH-ORDER MIXED TYPE EQUATION WITH THE CAPUTO OPERATOR . Scientific journal of the Fergana State University, [S. l.], n. 1, p. 3, 2023. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/1069. Acesso em: 10 jan. 2026.