Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
Hypoelliptic partial differential equations of principal type. Sufficient conditions and necessary conditions - MaRDI portal

Hypoelliptic partial differential equations of principal type. Sufficient conditions and necessary conditions (Q5642923)

From MaRDI portal
scientific article; zbMATH DE number 3370831
Language Label Description Also known as
English
Hypoelliptic partial differential equations of principal type. Sufficient conditions and necessary conditions
scientific article; zbMATH DE number 3370831

    Statements

    Hypoelliptic partial differential equations of principal type. Sufficient conditions and necessary conditions (English)
    0 references
    0 references
    1971
    0 references

    Identifiers