@article{Martianova2020using,
author={Martianova, A.E.},
title={Using free softwear for solving one problem of mathematical physics},
journal={Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics},
publisher={Astrakhan State Technical University},
year={2020},
pages={84-93},
volume={},
issue={1},
}