00763nam a2200169Ia 4500008004100000082002000041100010700061245010600168260003600274300001400310440004500324700003500369700003300404942001200437952012700449999001700576260420b        |||||||| |||| 00| 0 eng d  a530.1bSu955.TG  aSummer School on Mathematical Problems of Quantum Field Theory, Primorsko, Bulgaria, Sept. 1980921280  aTwister geometry and non-linear systemsb; review lectures given at the 4th Bulgarian summer school /  aBerlin:bSpringer-Verlag,c1982  aiv, 216p.  aLecture notes in Mathematicsv970921281  aDoebner, H. D.eeditor.921282  aPalev, T. D.eeditor.921283  2ddccBK  0010406530_100000000000000_SU955_TG70920654aISIbISId1998-10-12l0o530.1 Su955.TGpDP18455r2019-02-14 00:00:00yBK  c16949d16949