@incollection{SB_1964-1966__9__187_0,
     author = {Grisvard, Pierre},
     title = {M\'ethodes op\'erationnelles dans l'\'etude des probl\`emes aux limites},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1964/65 1965/66, expos\'es 277-312},
     series = {S\'eminaire Bourbaki},
     note = {talk:289},
     pages = {187--197},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {9},
     year = {1966},
     mrnumber = {1608797},
     zbl = {0188.16603},
     language = {fr},
     url = {http://archive.numdam.org/item/SB_1964-1966__9__187_0/}
}