FAYAZOV, K. S.; KHUDAYBERGANOV, Y. K. BOUNDARY VALUE PROBLEMS FOR MIXED-TYPE DIFFERENTIAL EQUATIONS OF THE FIRST AND SECOND ORDER WITH RESPECT TO THE TIME VARIABLE. «ACTA NUUz», [S. l.], v. 2, n. 2.2, p. 40–49, 2025. Disponível em: http://journals.nuu.uz/index.php/actanuuz/article/view/9923. Acesso em: 5 dec. 2025.