@article{01211704, title = {On the geometry of the Virasoro-Bott group.}, journal = {Journal of Lie Theory}, volume = {8}, year = {1998}, pages = {293-309}, zbl = {0945.58005}, language = {en}, url = {http://dml.mathdoc.fr/item/01211704} }
Michor, P.W.; Ratiu, T.S. On the geometry of the Virasoro-Bott group.. Journal of Lie Theory, Tome 8 (1998) pp. 293-309. http://gdmltest.u-ga.fr/item/01211704/