%0 Journal Article %A M. V. Safonov %T Unimprovability of estimates of Hölder constants for solutions of linear elliptic equations with measurable coefficients %J Sbornik. Mathematics %D 1988 %P 269-281 %V 60 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1988_60_1_a15/ %G en %F SM_1988_60_1_a15