A. Zh. Ashirbaeva, G. K. Sadykova, “Development of the method of additional argument for a system of non-linear differential equations”, Meždunar. nauč.-issled. žurn., 2019, no. 4(82), 6–10
A. Zh. Ashirbaeva, Zh. I. Mambetov, “Solution of system of nonlinear differential equations in private first order with multiple variables”, Meždunar. nauč.-issled. žurn., 2018, no. 3(69), 6–10
3.
A. Zh. Ashirbaeva, “A new method of solving a general hyperbolic equation”, Math. Ed., 2018, no. 3(87), 12–16