Andrew C. Doherty Yeong-Cherng Liang Ben Toner Stephanie Wehner The Quantum Moment Problem and Bounds on Entangled Multi-prover Games. 199-210 2008 IEEE Conference on Computational Complexity http://doi.ieeecomputersociety.org/10.1109/CCC.2008.26 conf/coco/2008 db/conf/coco/coco2008.html#DohertyLTW08