Belovas, Igoris, Audrius Kabašinskas, and Leonidas Sakalauskas. “Analysis of Passivity Problems in the Baltic Equity Market”. Lietuvos matematikos rinkinys 46, no. spec. (September 21, 2023): 289–294. Accessed October 27, 2025. https://test.zurnalai.vu.lt/LMR/article/view/30729.