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Translated from Trudy Seminara imeni I. G. Petrovskogo, No. 9, pp. 190–229, 1983.
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Shkalikov, A.A. Boundary problems for ordinary differential equations with parameter in the boundary conditions. J Math Sci 33, 1311–1342 (1986). https://doi.org/10.1007/BF01084754
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DOI: https://doi.org/10.1007/BF01084754