@article{05897762, title = {On a generalized time-varying SEIR epidemic model with mixed point and distributed time-varying delays and combined regular and impulsive vaccination controls.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2010}, year = {2010}, doi = {10.1155/2010/281612}, zbl = {1219.34104}, language = {en}, url = {http://dml.mathdoc.fr/item/05897762} }
De La Sen, M.; Agarwal, Ravi P.; Ibeas, A.; Alonso-Quesada, S. On a generalized time-varying SEIR epidemic model with mixed point and distributed time-varying delays and combined regular and impulsive vaccination controls.. Advances in Difference Equations [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/281612. http://gdmltest.u-ga.fr/item/05897762/