ISBN 9783540526025 books & textbook
Twistor Theory for Riemannian Symmetric Spaces: With Applications to Harmonic Maps of Riemann Surfaces (Lecture Notes in Mathematics, 1424)
Burstall, Francis E. Rawnsley, John H.
Springer /1990-05-22 Paperback / 110 Pages
isbn-10: 3540526021 / isbn-13: 9783540526025