Antti Valmari. The Weakest Deadlock-Preserving Congruence. Inf. Process. Lett., 53(6):341-346, 1995. [doi]
@article{Valmari95,
title = {The Weakest Deadlock-Preserving Congruence},
author = {Antti Valmari},
year = {1995},
doi = {10.1016/0020-0190(94)00214-J},
url = {http://dx.doi.org/10.1016/0020-0190(94)00214-J},
researchr = {https://researchr.org/publication/Valmari95},
cites = {0},
citedby = {0},
journal = {Inf. Process. Lett.},
volume = {53},
number = {6},
pages = {341-346},
}