Ruziev, M., и N. Yuldasheva. «A Boundary Value Problem With the Generalized M. Saigo Operator for a Mixed-Type Equation With the Hilfer Fractional Derivative». Journal of Osh State University. Differential Equations, вып. 1, февраль 2026 г., сс. 86–92, https://journal.oshsu.kg/index.php/diffeq/article/view/3944.