A STUDY OF NONLOCAL NONLINEAR BOUNDARY VALUE PROBLEMS FOR THIRD-ORDER EQUATIONS WITH MULTIPLE CHARACTERISTICS. Innovations in Science and Technologies, [S. l.], v. 2, n. 3, p. 6–13, 2025. Disponível em: https://innoist.uz/index.php/ist/article/view/640. Acesso em: 2 may. 2025.