00621nam0-22002411i-450-990001306490403321000130649FED01000130649(Aleph)000130649FED0100013064920000920d--------km-y0itay50------baengOrdinary differential equationsby SPAIN B.Spain,Barry50684ITUNINARICAUNIMARCBK9900013064904033214-E-2611260MA1MA134AXXOrdinary differential equations383152UNINAING01