@article{Kireev2015modelmathematical,
author={Kireev, N.. and Kumitskiy, B.M. and Cavrasova, N..},
title={Modelmathematical pendulum as the method of research clock accuracy},
journal={Actual directions of scientific researches of the XXI century: theory and practice},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2015},
pages={129-133},
volume={3},
issue={5},
}