Shan, C., Yi, Y., and Zhu, H., 2016: Nilpotent Singularities and Dynamics in an SIR Type of Compartmental Model with Hospital Resources. Journal of Differential Equations 260 (2016) 4339–4365.
Shan, C., Yi, Y., and Zhu, H., 2016: Nilpotent Singularities and Dynamics in an SIR Type of Compartmental Model with Hospital Resources. Journal of Differential Equations 260 (2016) 4339–4365.