[ced]

I can only find the first edition on Amazon, but there's apparently a third edition? http://www.matem.unam.mx/ernesto/EDO/Ar-EDO.pdf

https://www.amazon.com/Ordinary-Differential-Equations-MIT-P...

[gjm11]

I think this is the third edition: https://www.amazon.com/x/dp/3540345639