Partial differential equations and the calculus of variations : Essays in honor of Ennio De Giorgi
Colombini, F.
Partial differential equations and the calculus of variations : Essays in honor of Ennio De Giorgi F. Colombini - Boston Birkhauser 1989
Partial differential equations and the calculus of variations : Essays in honor of Ennio De Giorgi F. Colombini - Boston Birkhauser 1989