%0 Journal Article %A C. Luo %A X. Xu %T Graded Oscillator Generalizations of the Classical Theorem on Harmonic Polynomials %J Journal of Lie theory %D 2013 %P 979-1003 %V 23 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2013_23_4_JLT_2013_23_4_a4/ %F JLT_2013_23_4_JLT_2013_23_4_a4