1. Dynamic Equations on Time Scales: An Introduction with Applications;Bohner,2001
2. Advances in Dynamic Equations on Time Scales;Bohner,2003
3. Generalized ODE approach to impulsive retarded functional differential equations;Federson;Differential Integral Equations,2006
4. Stability for retarded functional differential equations;Federson;Ukr. Math. J.,2008
5. Stability and instability for dynamic equations on time scales;Hoffacker;Comput. Math. Appl.,2005