@incollection{SB_1968-1969__11__55_0,
     author = {Lions, Jacques-Louis},
     title = {Sur les probl\`emes unilat\'eraux},
     booktitle = {S\'eminaire Bourbaki : vol. 1968/69, expos\'es 347-363},
     series = {S\'eminaire Bourbaki},
     note = {talk:350},
     pages = {55--77},
     publisher = {Springer-Verlag},
     number = {11},
     year = {1971},
     zbl = {0222.35021},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1968-1969__11__55_0/}
}