Pastor, Damián, Tomáš Sabol, and Jozef Glova. “Some Ideas for Improving Quality of the Index Tracking Based on Cointegration”. Business: Theory and Practice 17, no. 4 (November 10, 2016): 325-333. Accessed November 23, 2024. https://bmee.vgtu.lt/index.php/BTP/article/view/8235.