%0 Journal Article %A S. N. Kruzhkov %T Some properties of solutions of elliptic equations %J Doklady Akademii Nauk %D 1963 %P 470-473 %V 150 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_150_3_a4/ %G ru %F DAN_1963_150_3_a4