Jeannette Janssen, Pawel Pralat. Protean graphs with a variety of ranking schemes. Theoretical Computer Science, 410(52):5491-5504, 2009. [doi]
@article{JanssenP09, title = {Protean graphs with a variety of ranking schemes}, author = {Jeannette Janssen and Pawel Pralat}, year = {2009}, doi = {10.1016/j.tcs.2009.05.009}, url = {http://dx.doi.org/10.1016/j.tcs.2009.05.009}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/JanssenP09}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {410}, number = {52}, pages = {5491-5504}, }