@article{GDZPPN000461636,
title = {Exponential Sums and Nonlinear Schr\"odinger Equations.},
journal = {Geometric and functional analysis},
volume = {3},
year = {1993},
pages = {157-178},
zbl = {0787.35096},
url = {http://dml.mathdoc.fr/item/GDZPPN000461636}
}
Bourgain, J. Exponential Sums and Nonlinear Schrödinger Equations.. Geometric and functional analysis, Tome 3 (1993) pp. 157-178. http://gdmltest.u-ga.fr/item/GDZPPN000461636/