Vector bundles on curves - New directions : lectures given at the 3rd session of the Centro internazionale matematico estivo (C.I.M.E.) held in Cetraro (Cosenza), Italy, June 19-27, 1995 - Kumar, Shrawan, 1953-; Laumon, Gérard; Stuhler, Ulrich; Narasimhan, M. S. (Lecture notes in mathematics ;, 1997)