$$ \newcommand{\D}{\mathrm{d}} \newcommand{\E}{\mathcal{E}} \newcommand{\order}[2][1]{#2^{(#1)}} \newcommand{\reals}{\mathbb{R}} $$

References

Chakrabarti, Aditi, Serge Mora, Franck Richard, Ty Phou, Jean-Marc Fromental, Yves Pomeau, and Basile Audoly. 2018. “Selection of Hexagonal Buckling Patterns by the Elastic Rayleigh-Taylor Instability.” Journal of the Mechanics and Physics of Solids 121 (December): 234–57. https://doi.org/10.1016/j.jmps.2018.07.024.
Koiter, W. T., and A. M. A. van der Heijden. 2009. W.T. Koiter’s Elastic Stability of Solids and Structures. Cambridge ; New York: Cambridge University Press.
Koiter, Warner Tjardus. 1945. “The Stability of Elastic Equilibrium.” PhD thesis, Delft: Technische Hooge School Delft.
Nguyen, Quoc-Son. 2000. Stabilité et mécanique non linéaire. Paris: Hermès Science Publications.
Potier-Ferry, Michel. 1987. “Foundations of Elastic Postbuckling Theory.” In Buckling and Post-Buckling, 1–82. Lecture Notes in Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0009197.
Triantafyllidis, Nicolas. 2017. “Stability of Solids: From Structures to Materials.” Lecture Notes. Palaiseau, France: École polytechnique.