1. Hayman, W.K.: Meromorphic Functions, Oxford Mathematical Monographs. Clarendon Press, Oxford (1964)
2. Laine, I.: Nevanlinna Theory and Complex Differential Equations, De Gruyter Studies in Mathematics, vol. 15. Walter de Gruyter & Co., Berlin (1993). https://doi.org/10.1515/9783110863147
3. Kinnunen, L.: Linear differential equations with solutions of finite iterated order. Southeast Asian Bull. Math. 22(4), 385–405 (1998)
4. Belaïdi, B.: Growth and oscillation of solutions to linear differential equations with entire coefficients having the same order. Electron. J. Differ. Equ. 70, 10 (2009)
5. Cao, T.B., Xu, J.F., Chen, Z.X.: On the meromorphic solutions of linear differential equations on the complex plane. J. Math. Anal. Appl. 364(1), 130–142 (2010). https://doi.org/10.1016/j.jmaa.2009.11.018