%0 Journal Article %A Steve Hofmann %A John L. Lewis %A Kaj Nyström %T Existence of big pieces of graphs for parabolic problems %J Annales Fennici Mathematici %D 2003 %P 355-384 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_2003_28_2_a6/ %G en %F AFM_2003_28_2_a6