Pocevičienė, Vaida, and Darius Šiaučiūnas. “A Mixed Joint Universality Theorem for Zeta-Functions. II”. Mathematical Modelling and Analysis 19, no. 1 (February 20, 2014): 52-65. Accessed April 19, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/3261.