Sur les systemes differentiels hypoelliptiques a coefficients variables
Yoshio Kato
Aichi University of Education, Kariya-Shi, Japan
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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