@article{10_4064_cm118_1_1, author = {Ewa Damek}, title = {Master}, journal = {Colloquium Mathematicum}, pages = {1--11}, publisher = {mathdoc}, volume = {118}, number = {1}, year = {2010}, doi = {10.4064/cm118-1-1}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm118-1-1/} }