Uniformly accurate exponential-type integrators for Klein-Gordon equations with asymptotic convergence to the classical NLS splitting. - Simon Baumstark; Erwan Faou; Katharina Schratz (Math. Comput., 2018)

Uniformly Accurate Oscillatory Integrators for the Klein-Gordon-Zakharov System from Low- to High-Plasma Frequency Regimes. - Simon Baumstark; Katharina Schratz (SIAM J. Numer. Anal., 2019)