TY - GEN AU - Burstall, Francis E AU - TI - Twistor theory for Riemannian symmetric spaces: with applications to harmonic maps of Riemann surfaces T2 - Lecture notes in mathematics SN - 3540526021 (Berlin) PY - 1990/// CY - Berlin; New York PB - Springer-Verlag N1 - Cuprinde bibliografie si index; Subseries: Scuola normale superiore, Pisa; Adviser: E. Vesentini ER -