@article{02104368, title = {On a theorem of Kontsevich.}, journal = {Geometry \& Topology}, volume = {7}, year = {2003}, pages = {1167-1224}, doi = {10.2140/agt.2003.3.1167}, zbl = {1063.18007}, language = {en}, url = {http://dml.mathdoc.fr/item/02104368} }
Conant, James; Vogtmann, Karen. On a theorem of Kontsevich.. Geometry & Topology, Tome 7 (2003) pp. 1167-1224. doi : 10.2140/agt.2003.3.1167. http://gdmltest.u-ga.fr/item/02104368/