Doebner H D Ed. Proceeding on tuistor of geometry and non-linear systems Doebner H D Ed.; Palev T D Ed. - Berlin Springer-Verlag 1982 - 216p. cm. - Lecture notes in mathematics; 970 . Standard No.: 36507 Source: Textual Subjects--Topical Terms: GeometryElectormagnetic theory Dewey Class. No.: CM65:(B)p5922,N80, M2