@incollection{JEDP_1993____A14_0,
     author = {Walter A. Strauss},
     title = {Smoothing of dispersive waves},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {14},
     pages = {1--5},
     publisher = {\'Ecole polytechnique},
     year = {1993},
     doi = {10.5802/jedp.451},
     mrnumber = {94g:35061},
     zbl = {0818.35098},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/jedp.451/}
}