%0 Journal Article %A M. Ilyin %A P. Kulish %A V. Lyakhovsky %T On the properties of branching coefficients for affine Lie groups %J Algebra i analiz %D 2009 %P 52-70 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2009_21_2_a1/ %G ru %F AA_2009_21_2_a1