Garbaliauskienė, Virginija, Julija Karaliūnaitė, and Antanas Laurinčikas. 2017. “On Zeros of Some Combinations of Dirichlet L-Functions and Hurwitz Zeta-Functions”. Mathematical Modelling and Analysis 22 (6):733-49. https://doi.org/10.3846/13926292.2017.1365313.