%0 Journal Article
%A A. P. Oskolkov
%T Prior estimates of first derivatives for two-dimensional linear strongly elliptic systems and elliptic mappings
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1966
%P 182-191
%V 92
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1966_92_a11/
%G ru
%F TM_1966_92_a11