Remote preparation of an entangled two-qubit state with three parties
Dai Hong-Yi (戴宏毅), Chen Ping-Xing (陈平形), Zhang Ming(张明), and Li Cheng-Zu(李承祖)
Chin. Phys. B . 2008, (1): 27 -33 .  DOI: 10.1088/1674-1056/17/1/005