%0 Journal Article %A Annette Werner %T Compactification of the Bruhat-Tits building of PGL by lattices of smaller rank. %J Documenta mathematica %D 2001 %P 315-341 %V 6 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/105/ %R 10.4171/dm/105 %F 10_4171_dm_105