DZHAMALOV, S; KHALKHADZHAEV, B; YUSUPOV, SH. ON SMOOTHNESS OF THE SOLUTION TO A NONLOCAL BOUNDARY VALUE PROBLEM OF PERIODIC TYPE FOR A FOURTH-ORDER MIXED-TYPE EQUATION OF THE SECOND KIND. «ACTA NUUz», [S. l.], v. 2, n. 2.1, p. 10–19, 2025. Disponível em: http://journals.nuu.uz/index.php/actanuuz/article/view/9950. Acesso em: 5 dec. 2025.