@article{article8d02e215,
title   = {Periodic and backset solutions of differential delay systems with self-supporting condition},
author = {Gadotti, Marta Cilene and Taboas, Placido Zoega},
year = {2006},
doi = {10.1016/j.jde.2006.03.014},
journal   = {Journal of Differential Equations}
}