@incollection{JEDP_1999____A9_0,
     author = {Planchon, Fabrice},
     title = {Self-similar solutions and {Besov} spaces for semi-linear {Schr\"odinger} and wave equations},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {9},
     pages = {1--11},
     publisher = {Universit\'e de Nantes},
     year = {1999},
     zbl = {01810582},
     language = {en},
     url = {http://archive.numdam.org/item/JEDP_1999____A9_0/}
}