JournalsprimsVol. 31, No. 3pp. 443–464

WKB Analysis to Global Solvability and Hypoellipticity

  • Todor Gramchev

    Università degli Studi di Cagliari, Italy

  • Masafumi Yoshino

    Hiroshima University, Japan
    ORCID
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Todor Gramchev, Masafumi Yoshino, WKB Analysis to Global Solvability and Hypoellipticity. Publ. Res. Inst. Math. Sci. 31 (1995), no. 3, pp. 443–464

DOI 10.2977/PRIMS/1195164049