@article{Shcherbakova2014rotation,
author={Shcherbakova, K..},
title={Rotation on the boundary of multiply connected region and the singular points of vector fields },
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={469-471},
volume={2},
issue={4},
}