Non-Analytic Hypoellipticity in the Presence of Symplecticity

Autor:	Hanges, Nicholas, Himonas, A. Alexandrou
Zdroj:	Proceedings of the American Mathematical Society, 1998 Feb 01. 126(2), 405-409.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/118701 Zobrazit plný text záznamu