Calculus of variations and nonlinear partial differential equations lectures given at the C.I.M.E. Summer School held in Cetraro, Italy, June 27-July 2, 2005 - Ambrosio, Luigi; Mascolo, Elvira; Dacorogna, Bernard 1953-; Marcellini, Paolo (Lecture notes in mathematics (Springer-Verlag), 2008)