@article{GDZPPN000462535,
title = {Construction of Approximative and Almost Periodic Solutions of Perturbed Linear Schr\"odinger and Wave Equations.},
journal = {Geometric and functional analysis},
volume = {6},
year = {1996},
pages = {201-230},
zbl = {0872.35007},
url = {http://dml.mathdoc.fr/item/GDZPPN000462535}
}
Bourgain, J. Construction of Approximative and Almost Periodic Solutions of Perturbed Linear Schrödinger and Wave Equations.. Geometric and functional analysis, Tome 6 (1996) pp. 201-230. http://gdmltest.u-ga.fr/item/GDZPPN000462535/