%0 Journal Article %T Stability of a nonlinear non-autonomous fractional order systems with different delays and non-local conditions %A El-Sayed Ahmed %A Gaafar Fatma %J Advances in Difference Equations %D 2011 %I Springer %X In this paper, we establish sufficient conditions for the existence of a unique solution for a class of nonlinear non-autonomous system of Riemann-Liouville fractional differential systems with different constant delays and non-local condition is. The stability of the solution will be proved. As an application, we also give some examples to demonstrate our results. %K Riemann-Liouville derivatives %K nonlocal non-autonomous system %K time-delay system %K stability analysis %U http://www.advancesindifferenceequations.com/content/2011/1/47