Instability of Equilibria for the Two-Dimensional Euler Equations on the Torus. - Holger R. Dullin; Robert Marangell; Joachim Worthington (SIAM J. Appl. Math., 2016)

Stability Theory of the 3-Dimensional Euler Equations. - Holger R. Dullin; Joachim Worthington (SIAM J. Appl. Math., 2019)