00715nam0-22002531i-450-990001256790403321000125679FED01000125679(Aleph)000125679FED0100012567920000920d1964----km-y0itay50------baengElements of differential equationsby Kap lan W.MassachusettsAddison-Wesley1964Addison-Wesley series in mathematicsKaplan,Wilfred26105ITUNINARICAUNIMARCBK99000125679040332121-G-118366MA1MA1Elements of differential equations380798UNINAING01