- Valery V. Karachik, Batirkhan Kh. Turmetov, 351, Functional Analysis in Interdisciplinary Applications—II, 2021, 75
- B. Kh. Turmetov, V. V. Karachik, “Solvability of nonlocal Dirichlet problem for generalized Helmholtz equation in a unit ball”, Complex Variables and Elliptic Equations, 68, № 7, 2023, 1204
- Baltabek Kanguzhin, Niyaz Tokmagambetov, 1759, 2016, 020046
- B. Kh. Turmetov, 1789, 2016, 040014
- S. Kerbal, B.J. Kadirkulov, B. Turmetov, M. Ruzhansky, P. Agarwal, I. Area, E. T. Karimov, “Solvability of a Nonlocal Boundary Value Problem Involving Fractional Derivative Operators”, Math. Model. Nat. Phenom., 12, № 3, 2017, 72
- K. I. Usmanov, B. Kh. Turmetov, K. Zh. Nazarova, “On Solvability of a Boundary Value Problem for a Nonlocal Biharmonic Equation with a Fractional Order Boundary Operator”, Lobachevskii J Math, 43, № 11, 2022, 3298
- Kairat Usmanov, Batirkhan Turmetov, Kulzina Nazarova, “On the Solvability of Some Boundary Value Problems for the Nonlocal Poisson Equation with Boundary Operators of Fractional Order”, Fractal Fract, 6, № 6, 2022, 308
- B. Turmetov, K. Nazarova, “On a generalization of the Neumann problem for the Laplace equation”, Mathematische Nachrichten, 293, № 1, 2020, 169
- Valery Karachik, Batirkhan Turmetov, “On solvability of some nonlocal boundary value problems for biharmonic equation”, Mathematica Slovaca, 70, № 2, 2020, 329
- Maira D. Koshanova, Kairat I. Usmanov, Batirkhan Kh. Turmetov, 1759, 2016, 020145