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The research was supported by the State Committee for Higher Education of the Russian Federation (Grant 94-1.2-134 in the section of Fundamental Natural Sciences).
Translated fromSibirskii Matematicheskii Zhurnal, Vol. 36, No. 4, pp. 805–818, July–August, 1995.
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Vodop'yanov, S.K., Markina, I.G. Exceptional sets for solutions to subelliptic equations. Sib Math J 36, 694–706 (1995). https://doi.org/10.1007/BF02107326
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DOI: https://doi.org/10.1007/BF02107326