%0 Journal Article %A B. Ya. Levit %T Minimax estimation and positive solutions of elliptic equations %J Teoriâ veroâtnostej i ee primeneniâ %D 1982 %P 525-546 %V 27 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1982_27_3_a9/ %G ru %F TVP_1982_27_3_a9