1. The Dynamics of Numerics and the Numerics of Dynamics,1992
2. Isolated Invariant Sets and the Morse Index;Conley,1991
3. Asymptotic behavior of ground states;Hulsof;Proc. Amer. Math. Soc.,1996
4. Lectures on Ordinary Differential Equations;Hurewicz,1958
5. Dynamics of numerics;Iserles;Bull. Inst. Math. Appl.,1994