%0 Journal Article %A Wolfgang Rump %T Differentiation and splitting for lattices over orders %J Colloquium Mathematicum %D 2001 %P 7-42 %V 89 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm89-1-2/ %R 10.4064/cm89-1-2 %G en %F 10_4064_cm89_1_2