Academic Editor: Mohamed A. El-Gebeily
Copyright © 2010 Li Xiang et al. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
A new delay integral inequality is established. Using this inequality and the properties of nonnegative matrix, the attracting sets for the nonlinear functional differential equations
with distributed delays are obtained. Our results can extend and improve earlier publications.