@article{701399,
     title = {Kac-Moody algebras: An introduction for physicists},
     booktitle = {Proceedings of the Winter School "Geometry and Physics"},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1985},
     pages = {[177]-198},
     mrnumber = {MR0853140},
     zbl = {0593.17013},
     url = {http://dml.mathdoc.fr/item/701399}
}

Olive, David I. Kac-Moody algebras: An introduction for physicists, dans Proceedings of the Winter School "Geometry and Physics", GDML_Books,  (1985), pp. [177]-198. http://gdmltest.u-ga.fr/item/701399/