@article{1104160487, author = {Witten, Edward}, title = {Coadjoint orbits of the Virasoro group}, journal = {Comm. Math. Phys.}, volume = {113}, number = {4}, year = {1988}, pages = { 1-53}, language = {en}, url = {http://dml.mathdoc.fr/item/1104160487} }
Witten, Edward. Coadjoint orbits of the Virasoro group. Comm. Math. Phys., Tome 113 (1988) no. 4, pp. 1-53. http://gdmltest.u-ga.fr/item/1104160487/