Massimo Lauria, Pavel Pudlák, Vojtech Rödl, Neil Thapen. The complexity of proving that a graph is Ramsey. Electronic Colloquium on Computational Complexity (ECCC), 20:38, 2013. [doi]
@article{LauriaPRT13-0, title = {The complexity of proving that a graph is Ramsey}, author = {Massimo Lauria and Pavel Pudlák and Vojtech Rödl and Neil Thapen}, year = {2013}, url = {http://eccc.hpi-web.de/report/2013/038}, researchr = {https://researchr.org/publication/LauriaPRT13-0}, cites = {0}, citedby = {0}, journal = {Electronic Colloquium on Computational Complexity (ECCC)}, volume = {20}, pages = {38}, }