@article{05304372, title = {Two periodic solutions of neutral difference equations modelling physiological processes.}, journal = {Discrete Dynamics in Nature and Society}, volume = {2006}, year = {2006}, doi = {10.1155/DDNS/2006/78145}, zbl = {1142.39310}, language = {en}, url = {http://dml.mathdoc.fr/item/05304372} }
Wu, Jun; Liu, Yicheng. Two periodic solutions of neutral difference equations modelling physiological processes.. Discrete Dynamics in Nature and Society, Tome 2006 (2006) . doi : 10.1155/DDNS/2006/78145. http://gdmltest.u-ga.fr/item/05304372/