00810nam0-22002771i-450-99000127975040332120060403163455.0000127975FED01000127975(Aleph)000127975FED0100012797520001205d1964----km-y0itay50------baengNon-linear differential equationsdi Sansone e Contis.l.Pergamon Press1964International series of monographs in pure and applied mathematicsVolume 67 ̜Sansone,Giovanni1792Conti,RobertoITUNINARICAUNIMARCBK990001279750403321C-37-(6710158MA1MA1Non-linear differential equations384550UNINA