%0 Book Section %A De Giorgi, E. %T Limits of functionals and differential operators %B Analytic solutions of partial differential equations - Trento, 1981 %A Collectif %S Astérisque %D 1981 %P 153-161 %N 89-90 %I Société mathématique de France %U http://www.numdam.org/item/AST_1981__89-90__153_0/ %G en %F AST_1981__89-90__153_0