Reference 
1. Graham I., Kohr G. Geometric function theory in one and higher dimensions. New York; Basel: Marcel
Dekker, Inc., 2003. 526p.
2. Shah S.M. Univalence of a function f and its successive derivatives when f satisfies a differential equation//
J. Math. Anal. and Appl. 1988. V.133. P. 7992.
3. Shah S.M. Univalence of a function f and its successive derivatives when f satisfies a differential equation,
II// J. Math. Anal. and Appl. 1989. V.142. P. 422430.
4. Sheremeta Z.M. Closetoconvexity of an entire solution of a differential equation// Mathematical
Methods and Physicomechanical Fields 1999. V.42, Ή3. P. 3135. (in Ukrainian)
5. Sheremeta Z.M. On the properties of entire solutions of one differential equation// Differ. Uravn. 2000.
V.36, Ή8. P. 10451050. (in Russian), English transl. in Differ. Equ. V.36, Ή8, 11551161.
6. Sheremeta Z.M. On entire solutions of a differential equation// Mat. Stud. 2000. V.14, Ή1.
P. 5458.
7. Sheremeta Z.M. On the closetoconvexity of entire solutions of a differential equation// Visn. Lviv
Univ. Ser. Mekh.Math. 2000. V.58. P. 5456. (in Ukrainian)
8. Sheremeta Z.M., Sheremeta M.M. Closetoconvexity for entire solutions of one differential equation//
Differ. Uravn. 2002. V.38, Ή4. P. 477481. (in Russian)
9. Mahola Ya.S., Sheremeta M.M. Properties of entire solutions of a linear differential equation of nth
order with polynomial coefficients of nth degree// Mat. Stud. 2008. V.30, Ή2. P. 153162.
10. Mahola Ya.S., Sheremeta M.M. Closetoconvexity of entire solution of a linear differential equation with
polynomial coefficients// Visn. Lviv Univ. Ser. Mekh.Math. 2009. V.70. P. 122127. (in Ukrainian)
11. Mahola Ya.S., Sheremeta M.M. On properties of entire solutions of linear differential equations with
polynomial coefficients// Mathematical Methods and Physicomechanical Fields.  2010.  V.53, Ή4. 
P. 6274. (in Ukrainian)
12. Goodman A.W. Univalent function and nonanalytic curves// Proc. Amer. Math. Soc.  1957.  V.8. 
P. 598601.
13. Sheremeta Z.M., Sheremeta M.M. Convexity of entire solutions of one differential equation// Mathematical
Methods and Physicomechanical Fields.  2004.  V.47, Ή2.  P. 186191. (in Ukrainian)
14. Wittich H. Neuere Untersuchungen Nuber eindeutige analytische Funktionen.  Berlin.: Springer, 1955 
164 p.
