[1] Hayman W. K:
Picard values of meromorphic functions and their derivatives. Ann. of Math., 70 (1959), 9-42.
MR 0110807 |
Zbl 0088.28505
[3] Nevanlinna R.: Le théorème de Picard-Borel et la théorie des fonctions méromorphes. Gauthier-Villars, Paгis, (1929).
[4] Singh S. K., Gopaíakrishna H. S.:
Exceptional values of meromorphic functions. Math. Ann. 191 (1971), 121-142.
MR 0291464