Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{IM_1987__89_143488, author = {S. Kumar}, title = {Demazure character formula in arbitrary {Kac-Moody} setting.}, journal = {Inventiones mathematicae}, pages = {395--424}, publisher = {mathdoc}, volume = {89}, year = {1987}, zbl = {0635.14023}, url = {http://geodesic.mathdoc.fr/item/IM_1987__89_143488/} }
S. Kumar. Demazure character formula in arbitrary Kac-Moody setting.. Inventiones mathematicae, Tome 89 (1987), pp. 395-424. http://geodesic.mathdoc.fr/item/IM_1987__89_143488/