@article{GDZPPN002111799,
title = {A Littlewood-Richardson rule for symmetrizable Kac-Moody algebras.},
journal = {Inventiones mathematicae},
volume = {115},
year = {1994},
pages = {329-346},
zbl = {0805.17019},
url = {http://dml.mathdoc.fr/item/GDZPPN002111799}
}
Littelmann, Peter. A Littlewood-Richardson rule for symmetrizable Kac-Moody algebras.. Inventiones mathematicae, Tome 115 (1994) pp. 329-346. http://gdmltest.u-ga.fr/item/GDZPPN002111799/