Periodic and backset solutions of differential delay systems with self-supporting condition
Marta Cilene Gadotti Placido Zoega Taboas
Journal of Differential Equations San Diego v. 229, p. 138-153, 2006San Diego 2006
Available at FFCLRP - Fac. Fil. Ciên. Let. de R. Preto (pcd 1568025 ) and other locations(GetIt)