@incollection{AST_1984__118__1_0,
     author = {AST},
     title = {Pages pr\'eliminaires},
     booktitle = {Variational methods for equilibrum problems of fluids - Trento, 20-25 juin 1983},
     author = {Collectif},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {118},
     year = {1984},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1984__118__1_0/}
}