@article{DOCMA_2013__18__a42,
     author = {Gei{\ss}, Christof and Leclerc, Bernard and Schr\"oer, Jan},
     title = {Factorial cluster algebras},
     journal = {Documenta mathematica},
     pages = {249--274},
     publisher = {mathdoc},
     volume = {18},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2013__18__a42/}
}