Cryptanalysis and improvement of a quantum secret sharing scheme based on χ-type entangled states
朱珍超, 张玉清, 付安民
Cryptanalysis and improvement of a quantum secret sharing scheme based on $\chi$-type entangled states
Zhu Zhen-Chao(朱珍超), Zhang Yu-Qing(张玉清), and Fu An-Min(付安民)
中国物理B . 2012, (1): 10307 -010307 .  DOI: 10.1088/1674-1056/21/1/010307