@article{1103921615,
author = {Kaplansky, Irving},
title = {The Virasoro algebra},
journal = {Comm. Math. Phys.},
volume = {83},
number = {1},
year = {1982},
pages = { 49-54},
language = {en},
url = {http://dml.mathdoc.fr/item/1103921615}
}
Kaplansky, Irving. The Virasoro algebra. Comm. Math. Phys., Tome 83 (1982) no. 1, pp. 49-54. http://gdmltest.u-ga.fr/item/1103921615/