Ozan Kahramanogullari. System BV is NP-complete. Electronic Notes in Theoretical Computer Science, 143:87-99, 2006. [doi]
@article{Kahramanogullari06:0, title = {System BV is NP-complete}, author = {Ozan Kahramanogullari}, year = {2006}, doi = {10.1016/j.entcs.2005.05.026}, url = {http://dx.doi.org/10.1016/j.entcs.2005.05.026}, tags = {completeness}, researchr = {https://researchr.org/publication/Kahramanogullari06%3A0}, cites = {0}, citedby = {0}, journal = {Electronic Notes in Theoretical Computer Science}, volume = {143}, pages = {87-99}, }