01020nam a2200301 i 450099100101535970753620020507181654.0930605s1992 us ||| | eng 0867202890b1078925x-39ule_instLE01305766ExLDip.to Matematicaeng515.352AMS 34-01AMS 34-XXLC QA371.R342Redheffer, Ray535139Introduction to differential equations /Ray Redheffer ; with Dan PortBoston :Jones & Bartlett Publ.,1992xii, 468 p. ;26 cmDifferential equationsPort, Dan.b1078925x21-09-0628-06-02991001015359707536LE013 34-XX RED12 (1992)12013000287492le013-E0.00-l- 00000.i1088973528-06-02Introduction to differential equations921248UNISALENTOle01301-01-93ma -engus 01