@article{Ermolaev2019functional,
author={Ermolaev, V.A. and Kropotov, Y.A. and Kholkina, N.E.},
title={FUNCTIONAL DIFFERENTIAL AND DIFFERENTIAL MODELS OF SYSTEMS WITH ACOUSTICAL FEEDBACK},
journal={Bulletin of Bryansk state technical university},
publisher={Bryansk State Technical University},
year={2019},
pages={60-67},
volume={2019},
issue={4},
}