Piet Rodenburg, Jan Willem Klop, Karst Koymans, Jos L. M. Vrancken. The free process algebra generated by δ, ϵ and τ. Theoretical Computer Science, 412(28):3370-3377, 2011. [doi]
@article{RodenburgKKV11,
title = {The free process algebra generated by δ, ϵ and τ},
author = {Piet Rodenburg and Jan Willem Klop and Karst Koymans and Jos L. M. Vrancken},
year = {2011},
doi = {10.1016/j.tcs.2011.03.019},
url = {http://dx.doi.org/10.1016/j.tcs.2011.03.019},
tags = {process algebra, algebra},
researchr = {https://researchr.org/publication/RodenburgKKV11},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {412},
number = {28},
pages = {3370-3377},
}