%0 Journal Article %A C. De Filippis %A G. Mingione %T A borderline case of Calderón-Zygmund estimates for nonuniformly elliptic problems %J Algebra i analiz %D 2019 %P 82-115 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2019_31_3_a4/ %G en %F AA_2019_31_3_a4