By using a completely different method from that used by Jian - Ping Wang,we give a new proof of a unique- ness theorem of meromorphic function sharing four values, our proof is largely simplified, and this method also can be used to deal with the other shared value problems on meromorphic functions.%用一种全新的方法证明了亚纯函数四值定理的一个已有的最新结果,使证明过程大大简化,并且该方法可以用于处理其他分担值的一些问题.
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