Integrable systems : twistors, loop groups, and Riemann surfaces : based on lectures given at a conference on integrable systems organized by N.M.J. Woodhouse and held at the Mathematical Institute, University of Oxford, in September 1997 - Hitchin, N. J. (Nigel J.), 1946-; Segal, Graeme; Ward, R. S. (Richard Samuel), 1951- (Oxford ; New York : Clarendon Press, 1999)
Includes bibliographical references and index