@article{AIHPA_1998__68_2_159_0,
     author = {Hayashi, Nakao and Naumkin, Pavel I.},
     title = {Asymptotic behavior in time of solutions to the derivative nonlinear {Schr\"odinger} equation},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {159--177},
     publisher = {Gauthier-Villars},
     volume = {68},
     number = {2},
     year = {1998},
     mrnumber = {1618664},
     zbl = {0934.35163},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1998__68_2_159_0/}
}