On the existence of equilibrium points, boundedness, oscillating behavior and positivity of a SVEIRS epidemic model under constant and impulsive vaccination
- Autoría:
- De La Sen, M., Agarwal, R.P., Ibeas, A., Alonso-Quesada, S.
- Año:
- 2011
- Revista:
- Advances in Difference Equations
- Volumen:
- 2011, art. no. 748608