V. V. . Maimeskul, “Estimates of the growth of conjugated harmonic polynomials in the regions of a complex plane ”, Ukr. Mat. Zhurn., vol. 42, no. 6, pp. 772–777, Jun. 1990, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8834