Simone Bova, Hubie Chen, Matthew Valeriote. Generic expression hardness results for primitive positive formula comparison. Inf. Comput., 222:108-120, 2013. [doi]
@article{BovaCV13,
title = {Generic expression hardness results for primitive positive formula comparison},
author = {Simone Bova and Hubie Chen and Matthew Valeriote},
year = {2013},
doi = {10.1016/j.ic.2012.10.008},
url = {http://dx.doi.org/10.1016/j.ic.2012.10.008},
researchr = {https://researchr.org/publication/BovaCV13},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {222},
pages = {108-120},
}