@article{JEDP_1987____A14_0,
     author = {Klainerman, Sergiu},
     title = {Linear and nonlinear field equations},
     journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {14},
     pages = {1--8},
     publisher = {Ecole polytechnique},
     year = {1987},
     mrnumber = {89d:53125},
     zbl = {0653.35079},
     language = {en},
     url = {http://www.numdam.org/item/JEDP_1987____A14_0/}
}