On Hypoellipticity of the Operator

  • Nobuo Nakazawa

    University of Tsukuba, Ibaraki, Japan
  • Seiichiro Wakabayashi

    University of Tsukuba, Ibaraki, Japan

Cite this article

Nobuo Nakazawa, Seiichiro Wakabayashi, On Hypoellipticity of the Operator . Publ. Res. Inst. Math. Sci. 38 (2002), no. 1, pp. 135–146

DOI 10.2977/PRIMS/1145476419