David Avis Jun Hasegawa Yosuke Kikuchi Yuuya Sasaki A Quantum Protocol to Win the Graph Colouring Game on All Hadamard Graphs. 1378-1381 2006 89-A IEICE Transactions 5 http://dx.doi.org/10.1093/ietfec/e89-a.5.1378 db/journals/ieicet/ieicet89a.html#AvisHKS06