00754nam0-22002651i-450-99000103455040332120091105161500.0000103455FED01000103455(Aleph)000103455FED0100010345520001205d1985----km-y0itay50------baengElementary Catastrophe TheoryPeter W. MichorRomaniaUniversitatea din Timosoara1985Geometria descrittiva, analitica, differenziale514Michor,Peter W.49296ITUNINARICAUNIMARCBK99000103455040332112-103F14965FI1FI1Elementary Catastrophe Theory339042UNINA