Daniel Krob, Jean Mairesse, Ioannis Michos. Computing the average parallelism in trace monoids. Discrete Mathematics, 273(1-3):131-162, 2003. [doi]
@article{KrobMM03,
title = {Computing the average parallelism in trace monoids},
author = {Daniel Krob and Jean Mairesse and Ioannis Michos},
year = {2003},
doi = {10.1016/S0012-365X(03)00233-4},
url = {http://dx.doi.org/10.1016/S0012-365X(03)00233-4},
researchr = {https://researchr.org/publication/KrobMM03},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {273},
number = {1-3},
pages = {131-162},
}