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Information × Registration Number 0203U006306, 0101U000903 , R & D reports Title Asymptotic integration of degenerate singularly perturbed systems of differential equations popup.stage_title Head Yakovets V.P., Registration Date 18-04-2003 Organization Nizhin state pedagogical Gogol University popup.description2 The linear singular perturbed systems of the differential equations with the identically degenerate matrix and the small parameter at the higher derivative; the linear systems of the differential equations with two small parameters; the linear systems with the degenerate matrix at the derivative and irregular singular point were investigated. The asymptotics of the common solution of these systems, the construction of the asymptotics of the common solution of an initial problem, the determination of the conditions of existence of periodic solutions was the purpose of research work. Product Description popup.authors popup.nrat_date 2020-04-02 Close