1. Exponential families generated by phase-type distributions and other Markov life times;Asmussen;Scand. J. Statist.,1989
2. Phase-type representations in random walk and queueing problems;Asmussen;Ann. Probab.,1992
3. Stationary distributions via first passage times;Asmussen,1995
4. Ruin Probabilities;Asmussen,2000
5. Matrix-analytic models and their analysis;Asmussen;Scand. J. Statist.,2000