@incollection{JEDP_1999____A14_0,
     author = {Tataru, Daniel},
     title = {The {FBI} transform, operators with nonsmooth coefficients and the nonlinear wave equation},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {14},
     pages = {1--16},
     publisher = {Universit\'e de Nantes},
     year = {1999},
     mrnumber = {2000h:35114},
     language = {en},
     url = {http://archive.numdam.org/item/JEDP_1999____A14_0/}
}