1. Ruin Probabilities;Asmussen,2000
2. Interview with Harald Bohman (Interviewers: B. Ajne and B. Palmgren);Bohman;Scand. Actuar. J.,1987
3. The theory of risk;Borch;J. R. Stat. Soc. Ser. B,1967
4. The theory of risk;Borch;J. R. Stat. Soc. Ser. B,1967
5. Mathematical Methods in Risk Theory;Bühlmann,1970