- A.V. Iltyakov, “On algebras of generic elements of simple Lie algebras”, Communications in Algebra, 26, no. 5, 1998, 1465
- Daniel J. F. Fox, “Harmonic cubic homogeneous polynomials such that the norm-squared of the Hessian is a multiple of the Euclidean quadratic form”, Anal.Math.Phys., 11, no. 1, 2021, 43