KrutigolovaYe. K., and Mel’nikYu. I. 1994. “On Conditions for Convergence of Taylor-Dirichlet Series in a Convex Domain”. Ukrains’kyi Matematychnyi Zhurnal 46 (11), 1576-81. https://umj.imath.kiev.ua/index.php/umj/article/view/5599.