@article{10_1090_S0894_0347_2011_00715_7, author = {Gei{\ss}, Christof and Leclerc, Bernard and Schr\"oer, Jan}, title = {Generic bases for cluster algebras and the {Chamber} {Ansatz}}, journal = {Journal of the American Mathematical Society}, pages = {21--76}, year = {2012}, volume = {25}, number = {1}, doi = {10.1090/S0894-0347-2011-00715-7}, url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2011-00715-7/} }