%0 Journal Article %A X. Xu %T A Cubic E6-Generalization of the Classical Theorem on Harmonic Polynomials %J Journal of Lie Theory %D 2011 %P 145-164 %V 21 %N 1 %U https://jolt.centre-mersenne.org/articles/10.5802/jolt.627/ %R 10.5802/jolt.627 %F JOLT_2011_21_1_a6