1. The Asymptotic Analysis of a Stochastic Model of an Epidemic
2. The Poisson process with a curved absorbing boundary;Daniels;Bull. Inst. Internat. Statist. 34th Session,1963
3. Limit theorems for random walks with boundaries;Borovkov;Proc. Sixth Berkeley Symposium,1972
4. The distribution of the total size of an epidemic;Daniels;Proc. Fifth Berkeley Symposium,1967
5. The discussion in Daniels (1945) is not adequate in this respect.