@article{Evdokimov2017search,
author={Evdokimov, V.I. and Shevtsov, V.I. and Potashev, D.A.},
title={SEARCH AND THE GENERALIZED INDICES OF PATENT DOCUMENTSIN THE SPHERE OF RESCUE SERVICES AND FIRE-PREVENTION MEANS IN THE WORLD (1997-2016)},
journal={Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia»},
publisher={Saint-Petersburg University of State Fire Service of Emercom of Russia},
year={2017},
pages={30-36},
volume={2017},
issue={4},
}