@article{CML_2010__2_3_313_0,
     author = {Roger, Claude},
     title = {Sur les origines du cocycle de {Virasoro}},
     journal = {Confluentes Mathematici},
     pages = {313--332},
     publisher = {World Scientific Publishing Co Pte Ltd},
     volume = {2},
     number = {3},
     year = {2010},
     doi = {10.1142/S1793744210000211},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.1142/S1793744210000211/}
}