Iranian Mathematical Society (IMS) Bulletin of the Iranian Mathematical Society 1017-060X 38 4 2012 12 15 Uniqueness of meromorphic functions dealing with multiple values in an angular domain935 945 en Wu Zhaojun school of Mathematics and Statistics, Xianning University, Xianning, Hubei, P. R. China, 437100 Chen Yuxian Department of Mathematics, Xinyu University Xinyu, Jiangxi Province, 338000, P. R. China 2011 03 17 Tsuji’s characteristic Uniqueness angular domain multiple values