KAM Theory for Quasi-periodic Equilibria in One-Dimensional Quasi-periodic Media. - Xifeng Su; Rafael de la Llave (SIAM J. Math. Anal., 2012)

Resonant Equilibrium Configurations in Quasi-Periodic Media: KAM Theory. - Rafael de la Llave; Xifeng Su; Lei Zhang 125 (SIAM J. Math. Anal., 2017)