%0 Journal Article %A Benkart, Georgia %A Kang, Seok-Jin %A Misra, Kailash C. %T Weight multiplicity polynomials for affine Kac-Moody algebras of type $A_r$ %J Compositio Mathematica %D 1996 %P 153-187 %V 104 %N 2 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1996__104_2_153_0/ %G en %F CM_1996__104_2_153_0