%0 Journal Article
%A L. I. Kamynin
%T A theorem on the interior derivative for a second-order uniformly
%J Doklady Akademii Nauk
%D 1988
%P 280-283
%V 299
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_299_2_a4/
%G ru
%F DAN_1988_299_2_a4