@article{10_2140_agt_2006_6_91, author = {Wortman, Kevin}, title = {Quasiflats with holes in reductive groups}, journal = {Algebraic and Geometric Topology}, pages = {91--117}, year = {2006}, volume = {6}, number = {1}, doi = {10.2140/agt.2006.6.91}, url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.91/} }