@article{Getmanova2014parametric,
author={Getmanova, E.. and Pokornaya, I..},
title={Parametric representation of curves in problems of calculus of variations},
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={2014},
pages={71-75},
volume={2},
issue={4},
}