1. Iannelli, M., Mathematical Theory of Age-Structured Population Dynamics, CNR Applied Mathematics Monographs, Giardini, Pisa, Vol. 7, 1995.
2. Barbu, V., and Iannelli, M., Controlling the SIS Epidemics, Proceedings of the Conference on Mathematical Models in Medical and Health Sciences, Nashville, Tennessee, edited by M. A. Horn, G. Simonett, G. F. Webb, 1998.
3. Anita, S., Iannelli, M., Kim, M. Y., and Park, E. J., Optimal Harvesting for Periodic Age-Dependent Population Dynamics, SIAM Journal on Application Analysis, Vol. 58, pp. 1648–1666, 1998.
4. Brokate, M., Pontryagin Principle for Control Problems in Age-Dependent Population Dynamics, Journal of Mathematical Biology, Vol. 23, pp. 75–101, 1985.
5. Chan, W. L., and Guo, B. Z., Optimal Birth Control of Population Dynamics, Journal of Mathematical Analysis and Applications, Vol. 144, pp. 532–552, 1989.