%0 Journal Article
%A M. L. Gromov
%T Smoothing and inversion of differential operators
%J Sbornik. Mathematics
%D 1972
%P 381-435
%V 17
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1972_17_3_a4/
%G en
%F SM_1972_17_3_a4