JournalsaihpcVol. 10, No. 1Volume 10, No. 1 (1993) Annales de l'Institut Henri Poincaré Cpp. 1–97KAM theory in momentum space and quasiperiodic Schrödinger operatorsClaudio Albanesepp. 99–107The Cauchy problem for a nonlinear Wheeler-DeWitt equationJ.-P. DiasM. Figueirapp. 109–129Exact controllability for semilinear wave equations in one space dimensionE. Zuazua