%0 Journal Article
%A Masafumi Yoshino
%T A Class of Globally Hypoelliptic Operators on the Torus.
%J Mathematische Zeitschrift
%D 1989
%P 1-12
%V 201
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1989__201_4_174029/
%F MZ_1989__201_4_174029