Yevetskyi, V., I. Horniichuk, and H. Nakonechna. “Influence of Destabilizing Factors on the Stability of user’s Handwritten Signature Indicators”. Information Technology and Security, vol. 8, no. 2, Dec. 2020, pp. 144-52, doi:10.20535/2411-1031.2020.8.2.222592.