1. Bellissard, J.: Stability and instability in quantum mechanics. In: Trends and Developments in the Eighties, Albeverio, S., Blanchard, Ph. (eds) Singapore: World Scientific, 1985, pp. 1–106
2. Bleher, P.M., Jauslin, H.R., Lebowitz, J.L.: Floquet operators for two-level systems in quasiperiodic time dependent fields. J. Stat. Phys.68, 271 (1992)
3. Combes, J.-M.: Connection between quantum dynamics and spectral properties of time-evolution operators. In: Differential Equations and Applications to Mathematical Physics, Ames, W.F. et al. (eds.) Mathematics in Sciences and Engineering192, New York, London: Academic Press, 1993, pp. 59–68
4. Combes, J.-M., Hislop, P.D., Mourre, E.: Spectral averaging, perturbation of singular spectrum, and localization. Preprint Vienna ESI 124 (1994)
5. Combescure, M.: The quantum stability problem for time-periodic perturbations of the harmonic oscillator. Ann. Inst. Henri Poincaré47, 62–82 (1987); Erratum: Ann. Inst. Henri Poincaré47, 451–454 (1987)