Irvin Y. Wang, Thomas G. Robertazzi. Service Stage Petri Net Models with Product Form Solution. Queueing Syst., 7(3):355-373, 1990.
@article{WangR90, title = {Service Stage Petri Net Models with Product Form Solution}, author = {Irvin Y. Wang and Thomas G. Robertazzi}, year = {1990}, researchr = {https://researchr.org/publication/WangR90}, cites = {0}, citedby = {0}, journal = {Queueing Syst.}, volume = {7}, number = {3}, pages = {355-373}, }