%0 Book Section
%A Rodino, L.
%T Gevrey hypoellipticity for a class of operators with multiple characteristics
%B Analytic solutions of partial differential equations - Trento, 1981
%A Collectif
%S Astérisque
%D 1981
%P 249-262
%N 89-90
%I Société mathématique de France
%U http://www.numdam.org/item/AST_1981__89-90__249_0/
%G en
%F AST_1981__89-90__249_0