@article{Tikhonova2020modal,
author={Tikhonova, Y.V. and Smirnova, A.G.},
title={Modal verbs as a means of subjective modality  in the texts of German-language social advertising},
journal={The Journal of Philological Studies},
publisher={INFRA-M Academic Publishing LLC.},
year={2020},
pages={9-12},
volume={5},
issue={4},
}