@article{1104117076, author = {Witten, Edward}, title = {Elliptic genera and quantum field theory}, journal = {Comm. Math. Phys.}, volume = {108}, number = {1}, year = {1987}, pages = { 525-536}, language = {en}, url = {http://dml.mathdoc.fr/item/1104117076} }
Witten, Edward. Elliptic genera and quantum field theory. Comm. Math. Phys., Tome 108 (1987) no. 1, pp. 525-536. http://gdmltest.u-ga.fr/item/1104117076/