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Translated from Sovremennaya Matematika. Fundamental'nye Napravleniya (Contemporary Mathematics. Fundamental Directions), Vol. 26, Nonclassical boundary-value problems. I, 2008.
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Skubachevskii, A.L. Nonclassical boundary-value problems. I. J Math Sci 155, 199–334 (2008). https://doi.org/10.1007/s10958-008-9218-9
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DOI: https://doi.org/10.1007/s10958-008-9218-9