1. M. Ajmone-Marsan, G. Balbo, G. Conte, G. Chiola, Generalized stochastic Petri nets revisited: Random switches and priorities, in: Proceedings of the Second International Workshop on Petri Nets and Performance Models, IEEE Press, New York, 1987, pp. 44–53
2. GSPN models of Markovian multiserver multiqueue systems;Ajmone-Marsan;Performance Evaluation,1990
3. F. Bause, P. Buchholz, P. Kemper, QPN-tool for the specification and analysis of hierarchically combined queueing Petri nets, in: H. Beilner, F. Bause (Eds.), Quantitative Evaluation of Computing and Communication Systems, Lecture Notes in Computer Science, vol. 977, Springer, Berlin, 1995, pp. 224–238
4. P. Buchholz, G. Ciardo, S. Donatelli, P. Kemper, Computational aspects of Markov chain solution algorithms based on Kronecker algebra, NASA ICASE Report No. 97-66, December 1997, submitted
5. Multi-level adaptive solutions to boundary value problems;Brandt;Mathematics of Computation,1977