P. Gordan, Beweis, dass jede Covariante und Invariante einer binären Form eine ganze Funktion mit numerischen Coeffizienten einer endlichen Anzahl solcher Formen ist, J. Reine Angew. Math, vol.69, pp.323-354
DOI : 10.1515/crll.1868.69.323

D. Hilbert, Ueber die Theorie der algebraischen Formen, Mathematische Annalen, vol.36, issue.4, pp.473-534
DOI : 10.1007/BF01208503

M. Hochster and J. L. Roberts, Rings of invariants of reductive groups acting on regular rings are Cohen-Macaulay, Advances in Mathematics, vol.13, issue.2, pp.115-175, 1974.
DOI : 10.1016/0001-8708(74)90067-X

F. Dell-'isola, G. Sciarra, and S. Vidoli, Generalized Hooke's law for isotropic second gradient materials, Proc. R. Soc. A, pp.2177-2196, 2009.

A. E. Brouwer and M. Popoviciu, The invariants of the binary decimic, Journal of Symbolic Computation, vol.45, issue.8, pp.837-843, 2010.
DOI : 10.1016/j.jsc.2010.03.002

R. D. Mindlin, Micro-structure in linear elasticity, Archive for Rational Mechanics and Analysis, vol.16, issue.1, pp.51-78, 1964.
DOI : 10.1007/BF00248490

T. Shioda, On the Graded Ring of Invariants of Binary Octavics, American Journal of Mathematics, vol.89, issue.4, pp.1022-1046, 1967.
DOI : 10.2307/2373415