Konisbayeva Kt 1

1. Asymptotic estimations of the solution for a singularly perturbed equation with unbounded boundary conditions
2. Asymptotical convergence of solutions of boundary value problems for singularly perturbed higher-order integro-differential equations
3. Integral bvp for singularly perturbed system of differential equations
4. Asymptotic Estimations of the Solution of a Singularly Perturbed Equation with Piecewise Constant Argument
5. Uniform asymptotic expansion of the solution for the initial value problem with a piecewise constant argument
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