1. H. Inaba, Kermack and McKendrick
2. M. C. M. De Jong, O. Diekmann and H. Heesterbeek, How does transmission of infection depend on population size ?, Epidemic
3. M. van Boven, H. E. de Melker, J. F. P. Schellekens, et al., Waning immunity and sub-clinical infection in an epidemic
4. N. Dunford and J. T. Schwartz Linear Operators Part I: General Theory, New
5. I. Marek, Frobenius theory of positive