A simple cocyclic Jacket matrices. Lee, Moon Ho; Feng, Gui-Liang; Chen, Zhu — 2008 Mathematical Problems in Engineering
On the decacy of matrix coefficients for exceptional groups. Jian-Shu Li; Chen-Bo Zhu — 1996 Mathematische Annalen
Invariant differential operators on symplectic Grassmann manifolds. Gerald Schwarz; Chen-bo Zhu — 1994 Manuscripta mathematica