%0 Book Section %A Almgren, F. J. %A Super, B. %T Multiple valued functions in the geometric calculus of variations %B Variational methods for equilibrum problems of fluids - Trento, 20-25 juin 1983 %A Collectif %S Astérisque %D 1984 %P 13-32 %N 118 %I Société mathématique de France %U http://archive.numdam.org/item/AST_1984__118__13_0/ %G en %F AST_1984__118__13_0