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This research was financially supported by the Russian Foundation for Fundamental Research (Grant 93-011-228).
Translated from Sibirskiĩ Matematicheskiĩ, Vol. 36, No. 2, pp. 278–300, March–April, 1995.
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Vodop'yanov, S.K. Weighted Sobolev spaces and boundary behavior of solutions to degenerate hypoelliptic equations. Sib Math J 36, 246–264 (1995). https://doi.org/10.1007/BF02110147
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DOI: https://doi.org/10.1007/BF02110147