Borodin, Alexander, Vadim Shamin, and Irina Shamina. “A Method for Calculating the Real Value of Equity by Identifying Toxic Assets in the Reports of Professional Participants of the Securities Market”. Olsztyn Economic Journal 13, no. 4 (December 3, 2018): 387–396. Accessed May 3, 2024. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/2779.