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@article{IM_1982__66_142892, author = {Shin-ichi Kato}, title = {Spherical {Functions} and a {q-Analogue} of {Kostant's} {Weight} {Multiplicity} {Formula.}}, journal = {Inventiones mathematicae}, pages = {461--468}, publisher = {mathdoc}, volume = {66}, year = {1982}, zbl = {0498.17005}, url = {http://geodesic.mathdoc.fr/item/IM_1982__66_142892/} }
Shin-ichi Kato. Spherical Functions and a q-Analogue of Kostant's Weight Multiplicity Formula.. Inventiones mathematicae, Tome 66 (1982), pp. 461-468. http://geodesic.mathdoc.fr/item/IM_1982__66_142892/