Meromorphic functions that share four values. (English) Zbl 0508.30029


30D35 Value distribution of meromorphic functions of one complex variable, Nevanlinna theory
30D30 Meromorphic functions of one complex variable (general theory)


Zbl 0413.30025
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[1] W. W. Adams and E. G. Straus, Non-archimedian analytic functions taking the same values at the same points, Illinois J. Math. 15 (1971), 418 – 424. · Zbl 0215.13202
[2] Gary G. Gundersen, Meromorphic functions that share three or four values, J. London Math. Soc. (2) 20 (1979), no. 3, 457 – 466. · Zbl 0413.30025
[3] Gary G. Gundersen, Meromorphic functions that share two finite values with their derivative, Pacific J. Math. 105 (1983), no. 2, 299 – 309. · Zbl 0497.30025
[4] W. K. Hayman, Meromorphic functions, Oxford Mathematical Monographs, Clarendon Press, Oxford, 1964. · Zbl 0115.06203
[5] R. Nevanlinna, Le théorème de Picard-Borel et la théorie des fonctions méromorphes, Gauthier-Villars, Paris, 1929.
[6] Hans Wittich, Neuere Untersuchungen über eindeutige analytische Funktionen, Ergebnisse der Mathematik und ihrer Grenzgebiete (N.F.), Heft 8, Springer-Verlag, Berlin-Göttingen-Heidelberg, 1955 (German). · Zbl 0067.05501
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