Корченко, А. Г., С. В. Казмирчук, Ф. А. Приставка, and Б. Б. Ахметов. “Analytical Verification Expressions of Linguistic Variables for Information Security Risk Assessment Systems”. Ukrainian Scientific Journal of Information Security, vol. 23, no. 1, Apr. 2017, pp. 50-55, doi:10.18372/2225-5036.23.11549.