%0 Journal Article
%A Nguyen Minh Tri
%T Some Examples of Nonhypoelliptic Infinitely Degenerate Elliptic Differential Operators
%J Matematičeskie zametki
%D 2002
%P 567-580
%V 71
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2002_71_4_a8/
%G ru
%F MZM_2002_71_4_a8