%0 Journal Article %A Schmidt, Alexander %T Rings of integers of type $K(\pi,1)$ %J Documenta mathematica %D 2007 %P 441-471 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2007__12__a8/ %G en %F DOCMA_2007__12__a8