MokhonkoA. Z., and MokhonkoV. D. “On the Order of Growth of Solutions of Algebraic Differential Equations”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 51, no. 1, Jan. 1999, pp. 69–77, https://umj.imath.kiev.ua/index.php/umj/article/view/4584.