Twistor Geometry and Non-Linear Systems Review Lectures given at the 4th Bulgarian Summer School on Mathematical Problems of Quantum Field Theory, Held at Primorsko, Bulgaria, September 1980 - Doebner, Heinz-Dietrich 1931-2022; Palev, Tchavdar D. (Springer, 1982)
Keywords: Nichtlineares System; Twistor; Konferenzschrift -- 1980 -- Primorsko