%0 Journal Article %A Moritz Kassmann %T The theory of De Giorgi for non-local operators %J Comptes Rendus. Mathématique %D 2007 %P 621-624 %V 345 %N 11 %I Elsevier %R 10.1016/j.crma.2007.10.007 %G en %F CRMATH_2007__345_11_621_0