Ravichandran, V., Ahuja, O. P., & Ali, R. M. (2014). Analytic and Harmonic Univalent Functions. Abstract and Applied Analysis, 2014(), 100-101-910. https://doi.org/10.1155/2014/578214
DARUS, M. (2004). MEROMORPHIC FUNCTIONS WITH POSITIVE COEFFICIENTS. International Journal of Mathematics and Mathematical Sciences, 2004(), 319-324-021. https://doi.org/10.1155/S0161171204306198