1. A. A. Gol'dberg and I. V. Ostrovskii, Distribution of Values of Meromorphic Functions [in Russian], Nauka, Moscow (1970).
2. B. J. Levin, Distribution of Zeros of Entire Functions, Amer. Math. Soc. (1972).
3. A. A. Kondratyuk, ?Method of Fourier series for entire and meromorphic functions of completely regular growth,? Mat. Sb.,106, No. 3, 386?408 (1978).
4. A. A. Gol'dberg and N. E. Korenkov, ?Asymptotic behavior of logarithmic derivative of an entire function of completely regular growth,? Sib. Mat. Zh.,21, No. 3, 63?79 (1980).
5. W. H. J. Fuchs, ?A theorem on the Nevanlinna deficiencies of meromorphic functions of finite order,? Ann. Math.,68, No. 2, 203?209 (1958).