%0 Journal Article
%A Bonfiglioli, Andrea
%A Lanconelli, Ermanno
%A Uguzzoni, Francesco
%T Levi’s parametrix for some sub-elliptic non-divergence form operators
%J Electronic research announcements of the American Mathematical Society
%D 2003
%P 10-18
%V 09
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-03-00107-0/
%R 10.1090/S1079-6762-03-00107-0
%F ERAAMS_2003_09_a1