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L.B.Ermolaeva. Solution of ordinary integrodifferential equations by the method of oscillating functions

Yu.A.Konyaev. A quasiregular asymptotic of a solution of the singularly perturbed Cauchy problem for linear systems of differential matrix equations

V.N.Pavlenko and D.K.Potapov. Approximation of boundary value problems of elliptic type with a spectral parameter and discontinuous nonlinearity

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