@article{02171758,
title = {On stability and bifurcation of solutions of an SEIR epidemic model with vertical transmission.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2004},
year = {2004},
pages = {2971-2987},
doi = {10.1155/S0161171204310380},
zbl = {1077.34044},
language = {en},
url = {http://dml.mathdoc.fr/item/02171758}
}
El-Sheikh, M.M.A.; El-Marouf, S.A.A. On stability and bifurcation of solutions of an SEIR epidemic model with vertical transmission.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 2971-2987. doi : 10.1155/S0161171204310380. http://gdmltest.u-ga.fr/item/02171758/