TSAGAS, G., and G. DJMOU. “NEW REPRESENTATION OF A SPECIAL NON-SYMMETRIC HOMOGENEOUS DOMAIN IN $\mathbb{C}^n$ $n\ge 6$”. Tamkang Journal of Mathematics, vol. 23, no. 3, Sept. 1992, pp. 239-46, doi:10.5556/j.tkjm.23.1992.4547.