00854nam0-22003131i-450-990000367080403321200010100-471-50997-3000036708FED01000036708(Aleph)000036708FED0100003670820001010d--------km-y0itay50------baitay-------001yyElementary differential equations(by) William E. Boyce and Richard C. DiPrima5° ed.New YorkJohn Wiley & sons inc.copyr. 1992XV,544,I-9 p. ill. 24 cm515.35Boyce,William E.Diprima,Richard C.ITUNINARICAUNIMARCBK99000036708040332104 012-95DIC 1461DINCHDINCHUNINAING01