00712nam0-22002531i-450-990001173920403321000117392FED01000117392(Aleph)000117392FED01000117392--------d--------km-y0itay50------baeng<<An >>elementary treatise on differential equationsA. CohenBoston [MA]Heath1906Equazioni differenziali515.3Cohen,Abraham45805ITUNINARICAUNIMARCBK9900011739204033214-D-70690MA1MA1Elementary treatise on differential equations345899UNINA