ISBN 9780199676774 books & textbook
Integrable Systems: Twistors, Loop Groups, and Riemann Surfaces (Oxford Graduate Texts in Mathematics)
Hitchin, N.J. Segal, G. B. Ward, R.S.
Oxford University Press /2013-05-05 Paperback / 148 Pages
isbn-10: 0199676771 / isbn-13: 9780199676774
