@article{IM_1986__85_143371,
     author = {V. Chari},
     title = {Integrable representations of affine {Lie-algebras.}},
     journal = {Inventiones mathematicae},
     pages = {317--336},
     publisher = {mathdoc},
     volume = {85},
     year = {1986},
     zbl = {0603.17011},
     url = {http://geodesic.mathdoc.fr/item/IM_1986__85_143371/}
}