Janulis, Kęstutis, Antanas Laurinčikas, Renata Macaitienė, and Darius Šiaučiūnas. 2012. “Joint Universality of Dirichlet L-Functions and Periodic Hurwitz Zeta-Functions”. Mathematical Modelling and Analysis 17 (5):673-85. https://doi.org/10.3846/13926292.2012.735260.