Unitary representations of the Virasoro algebra and a conjecture of Kac
Compositio Mathematica, Volume 67 (1988) no. 3, p. 315-342
@article{CM_1988__67_3_315_0,
     author = {Chari, Vyjayanthi and Pressley, Andrew},
     title = {Unitary representations of the Virasoro algebra and a conjecture of Kac},
     journal = {Compositio Mathematica},
     publisher = {Kluwer Academic Publishers},
     volume = {67},
     number = {3},
     year = {1988},
     pages = {315-342},
     zbl = {0661.17022},
     mrnumber = {959215},
     language = {en},
     url = {http://www.numdam.org/item/CM_1988__67_3_315_0}
}
Chari, Vyjayanthi; Pressley, Andrew. Unitary representations of the Virasoro algebra and a conjecture of Kac. Compositio Mathematica, Volume 67 (1988) no. 3, pp. 315-342. http://www.numdam.org/item/CM_1988__67_3_315_0/

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