@article{05314249, title = {A delayed epidemic model with pulse vaccination.}, journal = {Discrete Dynamics in Nature and Society}, volume = {2008}, year = {2008}, doi = {10.1155/2008/746951}, zbl = {1149.92329}, language = {en}, url = {http://dml.mathdoc.fr/item/05314249} }
Wei, Chunjin; Chen, Lansun. A delayed epidemic model with pulse vaccination.. Discrete Dynamics in Nature and Society, Tome 2008 (2008) . doi : 10.1155/2008/746951. http://gdmltest.u-ga.fr/item/05314249/