Retrieved 2009-12-30. Cite web URL http://blog.computationalcomplexity.org/2009/07/qip-pspace.html Title QIP = PSPACE Last name [[Lance Fortnow]] Source date 2009-07-29 Website Computational Complexity URL access date 2009-12-30 ↑ Dave Bacon (2009-07-28). "OMG QIP=PSPACE!".