Chyzhykov, I. and Mokhon’ko, A. (2020) “Logarithmic derivative estimates of meromorphic functions of finite order in the half-plane: Logarithmic derivative estimates of meromorphic functions in the half-plane”, Matematychni Studii, 54(2), pp. 172-187. doi: 10.30970/ms.54.2.172-187.