@article{STEPANOV_2018, title={"CHALLENGE" AS A FUNDAMENTAL CATEGORY OF THE NATIONAL SECURITY AND RISKOLOGY}, volume={20}, url={https://ei-journal.com/index.php/journal/article/view/348}, DOI={https://doi.org/10.31520/ei.2018.20.2(67).183-189}, number={2(67)}, journal={Economic innovations}, author={STEPANOV, V.N.}, year={2018}, month={Jun.}, pages={183-189}