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摘要
In this paper, an asymptotic method for nonlinear singular singu-larly perturbed boundary value problems with discontinuous right-hand side is investigated. We not only show existence of a solution with a step-like con-trast structure, but also construct an asymptotic expansion of the solution. In addition, remainder estimation of the approximate solution is also given. Finally, an example is used to verify the correctness of the above theory.
