Sur les systemes differentiels hypoelliptiques a coefficients variables

  • Yoshio Kato

    Aichi University of Education, Kariya-Shi, Japan

Cite this article

Yoshio Kato, Sur les systemes differentiels hypoelliptiques a coefficients variables. Publ. Res. Inst. Math. Sci. 3 (1967), no. 3, pp. 351–359

DOI 10.2977/PRIMS/1195195455