Susanne Graf, Joseph Sifakis. A Modal Characterization of Observational Congruence on Finite Terms of CCS. In Jan Paredaens, editor, Automata, Languages and Programming, 11th Colloquium, Antwerp, Belgium, July 16-20, 1984, Proceedings. Volume 172 of Lecture Notes in Computer Science, pages 222-234, Springer, 1984.
@inproceedings{GrafS84, title = {A Modal Characterization of Observational Congruence on Finite Terms of CCS}, author = {Susanne Graf and Joseph Sifakis}, year = {1984}, researchr = {https://researchr.org/publication/GrafS84}, cites = {0}, citedby = {0}, pages = {222-234}, booktitle = {Automata, Languages and Programming, 11th Colloquium, Antwerp, Belgium, July 16-20, 1984, Proceedings}, editor = {Jan Paredaens}, volume = {172}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-13345-3}, }