@article{10_4064_cm6361_12_2015, author = {Bartosz Frej and Agata Kwa\'snicka}, title = {A map maintaining the orbits of a given $\mathbb {Z}^d$-action}, journal = {Colloquium Mathematicum}, pages = {1--15}, publisher = {mathdoc}, volume = {143}, number = {1}, year = {2016}, doi = {10.4064/cm6361-12-2015}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm6361-12-2015/} }