@article{10_4171_ggd_381, author = {Filippo Cerocchi and Andrea Sambusetti}, title = {A quantitative bounded distance theorem and a {Margulis{\textquoteright}} lemma for $\mathbb Z^n$-actions, with applications to homology}, journal = {Groups, geometry, and dynamics}, pages = {1227--1247}, year = {2016}, volume = {10}, number = {4}, doi = {10.4171/ggd/381}, url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/381/} }