In this paper, we investigate the uniqueness problem of meromorphic functions sharing four distinct values $IM$ and a finite set in an angular domain. One result which we obtained generalizes and extends the former results.
"Uniqueness of meromorphic functions sharing four values $IM$ and one set in an angular domain." Bull. Belg. Math. Soc. Simon Stevin 17 (5) 937 - 948, december 2010. https://doi.org/10.36045/bbms/1292334068