01057nam0-22003491i-450-99000110014040332120040524152349.09971-50-663-7000110014FED01000110014(Aleph)000110014FED0100011001420020001d--------km-y0itay50------baengSymmetries and Nonlinear PhenomenaProceedings of the International School on Applied Mathematics, Paipa, Colombia, Feb 22-26, 1988D. Levi, P. WinternitzSingapore [etc.]World Scientific1988CIF Series9Geometria algebricaTopologiaTopologia algebricaSistemi dinamiciFrattali matematici513Levi,D.52403Winternitz,PavelITUNINARICAUNIMARCBK99000110014040332111-242F17337FI1FI1Symmetries and Nonlinear Phenomena337978UNINA