%0 Journal Article %A Duzaar, Frank %A Mingione, Giuseppe %T Regularity for degenerate elliptic problems via $p$-harmonic approximation %J Annales de l'I.H.P. Analyse non linéaire %D 2004 %P 735-766 %V 21 %N 5 %I Elsevier %U http://archive.numdam.org/articles/10.1016/j.anihpc.2003.09.003/ %R 10.1016/j.anihpc.2003.09.003 %G en %F AIHPC_2004__21_5_735_0