[1] M. F. Atiyah and I. G. Macdonald, Introduction to commutative algebra, Addison-Wesley Publishing Co., Reading, Mass.-London-Don Mills, Ont., 1969.

[2] Charalambos A. Charalambides, Enumerative combinatorics, CRC Press Series on Discrete Mathematics and its Applications, Chapman & Hall/CRC, Boca Raton, FL, 2002.

[3] William Fulton and Joe Harris, Representation theory, Graduate Texts in Mathematics, vol. 129, Springer-Verlag, New York, 1991.

[4] Roe Goodman and Nolan R. Wallach, Symmetry, representations, and invariants, Graduate Texts in Mathematics, vol. 255, Springer, Dordrecht, 2009.

[5] Benedict H. Gross and Nolan R. Wallach, On the Hilbert polynomials and Hilbert series of homogeneous projective varieties, Arithmetic geometry and automorphic forms, Adv. Lect. Math. (ALM), vol. 19, Int. Press, Somerville, MA, 2011, pp. 253-263.

[6] Wayne A. Johnson, Multivariate Hilbert series of lattice cones, Journal of Lie Theory 27 (2017), 297-314.

[7] , Exponential Hilbert series and the Stirling numbers of the second kind, Discrete Mathematics 341 (2018), no. 5, 1237-1243.

[8] A. Matsuo and A. P. Veselov, Universal formula for the Hilbert series of minimal nilpotent orbits, Proc. Amer. Math. Soc. 145 (2017), no. 12, 5123-5130.

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