@incollection{SB_2005-2006__48__365_0,
     author = {Rodnianski, Igor},
     title = {The wave map problem. {Small} data critical regularity},
     booktitle = {S\'eminaire Bourbaki : volume 2005/2006, expos\'es 952-966},
     series = {Ast\'erisque},
     note = {talk:965},
     pages = {365--384},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {311},
     year = {2007},
     mrnumber = {2359050},
     zbl = {1194.35004},
     language = {en},
     url = {http://www.numdam.org/item/SB_2005-2006__48__365_0/}
}