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Translated from Sovremennaya Matematika i Ee Prilozheniya (Contemporary Mathematics and Its Applications), Vol. 35, Voronezh Conference-2, 2005.
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Rozov, N.K. Some remarks on bisingular boundary-value problems. J Math Sci 144, 4241–4245 (2007). https://doi.org/10.1007/s10958-007-0266-3
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DOI: https://doi.org/10.1007/s10958-007-0266-3