%0 Journal Article
%A Yu. M. Berezanskii
%A S. G. Krein
%A Ya. A. Roitberg
%T A theorem on homeomorphisms and local increase of smoothness up to the boundary for solutions of elliptic equations
%J Doklady Akademii Nauk
%D 1963
%P 745-748
%V 148
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_148_4_a1/
%G ru
%F DAN_1963_148_4_a1