Е. И. Гончаров and Т. В. Шатковская, “PROBLEMS OF DIGITAL SIGNATURE APPLICATION IN RUSSIA AS ELECTRONIC DOCUMENT”, Северо-Кавказский юридический вестник, vol. 1, no. 2, pp. 97–103, Feb. 2020, doi: 10.22394/2074-7306-2020-1-2-97-103.