no. 2
Dimensions of Demazure modules for rank two affine Lie algebras
Compositio Mathematica, Tome 101 (1996) no. 2, pp. 115-131. 
@article{CM_1996__101_2_115_0,
     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://www.numdam.org/item/CM_1996__101_2_115_0/}
}
TY  - JOUR
AU  - Sanderson, Yasmine B.
TI  - Dimensions of Demazure modules for rank two affine Lie algebras
JO  - Compositio Mathematica
PY  - 1996
SP  - 115
EP  - 131
VL  - 101
IS  - 2
PB  - Kluwer Academic Publishers
UR  - http://www.numdam.org/item/CM_1996__101_2_115_0/
LA  - en
ID  - CM_1996__101_2_115_0
ER  - 
%0 Journal Article
%A Sanderson, Yasmine B.
%T Dimensions of Demazure modules for rank two affine Lie algebras
%J Compositio Mathematica
%D 1996
%P 115-131
%V 101
%N 2
%I Kluwer Academic Publishers
%U http://www.numdam.org/item/CM_1996__101_2_115_0/
%G en
%F CM_1996__101_2_115_0
Sanderson, Yasmine B. Dimensions of Demazure modules for rank two affine Lie algebras. Compositio Mathematica, Tome 101 (1996) no. 2, pp. 115-131. http://www.numdam.org/item/CM_1996__101_2_115_0/

[D] Demazure, M.: Une nouvelle formule des caractères, Bull. Soc. Math. France, 2e série 98, (1974), 163-172. | MR | Zbl

[Ka] Kac, V.: Infinite-dimensional Lie-algebras, Cambridge University Press, Cambridge, 1985. | MR | Zbl

[Ku] Kumar, S.: Demazure character formula in arbitrary Kac-Moody setting. Invent. Math. 89 (1987), 395-423. | MR | Zbl

[LS] Lakshmibai, V. and Seshadri, C.S.: Standard monomial theory for SL2, Infinite-dimensional Lie algebras and groups (Luminy- Marseille 1988), World Sci. Publishing, Teaneck, NJ,1989, pp. 178-234. | MR | Zbl

[LW] Lepowsky, J. and Wilson, R.L.: The structure of standard modules, I: Universal algebras and the Rogers-Ramanujan identities. Invent. Math. 77 (1984), 199-290. | MR | Zbl

[L1] Littelmann, P.: A Littlewood-Richardson rule for symmetrizable Kac-Moody algebras, Invent. Math. 116 (1994), 329-346. | MR | Zbl

[L2] Littelmann, P.: Paths and root operators in representation theory. Ann. Math., to appear. | MR | Zbl

[M] Mathieu, O.: Formule de Demazure-Weyl et généralisation du théorème de Borel-Weil-Bott, C.R. Acad. Sc. Paris, Série I, 303 no. 9, (1986), 391-394. | MR | Zbl