@article{articlec439a657,
title   = {On the existence of forced oscillations of retarded functional motion equations on a class of topologically nontrivial manifolds},
author = {Benevieri, Pierluigi and Calamai, Alessandro and Furi, Massimo and Pera, Maria Patrizia},
year = {2012},
journal   = {Rendiconti dell'Istituto di Matematica dell'Università di Trieste. An International Journal of Mathematics}
}