no. 2
Dimensions of Demazure modules for rank two affine Lie algebras
Compositio Mathematica, Tome 101 (1996) no. 2, pp. 115-131. 
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     author = {Sanderson, Yasmine B.},
     title = {Dimensions of {Demazure} modules for rank two affine {Lie} algebras},
     journal = {Compositio Mathematica},
     pages = {115--131},
     publisher = {Kluwer Academic Publishers},
     volume = {101},
     number = {2},
     year = {1996},
     mrnumber = {1389364},
     zbl = {0873.17021},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1996__101_2_115_0/}
}
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Sanderson, Yasmine B. Dimensions of Demazure modules for rank two affine Lie algebras. Compositio Mathematica, Tome 101 (1996) no. 2, pp. 115-131. http://archive.numdam.org/item/CM_1996__101_2_115_0/

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