%0 Journal Article %A di Fazio, G. %A Palagachev, D. K. %T Oblique derivative problem for elliptic equations in non-divergence form with $VMO$ coefficients %J Commentationes Mathematicae Universitatis Carolinae %D 1996 %P 537-556 %V 37 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1996__37_3_a11/ %G en %F CMUC_1996__37_3_a11