1. Meromorphic Functions;Hayman,1964
2. Uniqueness Theory of Meromorphic Functions;Yi,1995
3. Meromorphic functions that share three or four values;Gundensen;J. London Math. Soc.,1979
4. G. Brosch, Eindeutigkeitssätze für meromorphe Funcktionenor, Thesis, Technical University of Aachen, 1989
5. Unicity theorems for meromorphic functions that share three values;Yi;Kodai Math. J.,1995