%0 Journal Article %A D. V. Portnyagin %T Schauder Estimates and Complete Regularity of the Solutions of an Elliptic System %J Matematičeskie zametki %D 2009 %P 89-97 %V 85 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2009_85_1_a7/ %G ru %F MZM_2009_85_1_a7