Vereškaitė, Diana, Jurgita Markevičiūtė, and Andrius Buteikis. “News-Augmented GARCH Model: Theoretical Properties and Simulation-Based Hyperparameter Analysis”. Nonlinear Analysis: Modelling and Control 31, no. 4 (May 26, 2026): 831–854. Accessed August 11, 2026. https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/47080.