00804nam0-22002891i-450-9900011007304033219971-50-910-5000110073FED01000110073(Aleph)000110073FED0100011007320000920d1989----km-y0itay50------baengIntegrable ModelsAshok DasSingapore [etc.]World Scientific1989World scientific lecture notes in physics30Equazioni differenziali e integroDifferenziali517.37Das,Ashok49961ITUNINARICAUNIMARCBK99000110073040332115-17917340FI1FI1Integrable models188593UNINAING01