1. References
2. [1] Gol'dberg A.A. B.Ya. Levin is a creator of the theory of entire functions of completely regular growth.
3. Mat. Fiz., Anal., Geom. 1994, 1 (2), 186-192. (in Russian)
4. [2] Gol'dberg A.A., Korenkov N.E. Asymptotic behavior of logarithmic derivative of entire function of
5. completely regular growth. Sib. Math. J. 1980, 21 (3), 363-375. doi:10.1007/BF00968180 (translation