%0 Journal Article %A Cuiling Luo %A Xiaoping 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 %U http://geodesic.mathdoc.fr/item/JOLT_2013_23_4_a4/ %F JOLT_2013_23_4_a4