- R. R. Ashurov, B. J. Kadirkulov, M. A. Jalilov, “On a Nonlocal Problem for a Mixed-Type Equation with a Fractional Order Operator”, Lobachevskii J Math, 45, no. 7, 2024,
3220 
- G. B. Bakanov, S. K. Meldebekova, “Investigation of the Difference Problem for a Mixed Type Equation”, Lobachevskii J Math, 45, no. 7, 2024,
3246