00715nam0-22002651i-450-990001282720403321000128272FED01000128272(Aleph)000128272FED0100012827220000920d1964----km-y0itay50------baengElementary differential equationsEarl RainvilleNew YorkMacmillan1964Equazioni differenziali515.3Rainville,Earl D.50061ITUNINARICAUNIMARCBK9900012827204033214-D-357049MA1MA1Elementary differential equations384337UNINAING01