For citations:
YAKUSHEV A.Yu., MARKIN Yu.V., FOMIN S.A., OBYDENKOV D.O., KONDRAT’EV B.V. Text documents screen watermarking by changing background brightness in the interline spacing. Proceedings of the Institute for System Programming of the RAS (Proceedings of ISP RAS). 2021;33(4):147-162. (In Russ.) https://doi.org/10.15514/ISPRAS-2021-33(4)-11