%0 Journal Article
%A Cannarsa, Piermarco
%A Rocchetti, Dario
%A Vancostenoble, Judith
%T Generation of analytic semi-groups in L2 for a class of second order degenerate elliptic operators
%J Control and Cybernetics
%D 2008
%P 831-878
%V 37
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CC_2008_37_4_a6/
%G en
%F CC_2008_37_4_a6