@ARTICLE{
author={Cai Xinyu|,Milojevic Marko|,Syromyatnikov Denis|,Kurilova Anastasia|,Slusarczyk Beata|},
year={2021},
title={Mathematical Interpretation of Global Competition between Payment Systems},
journal={MATHEMATICS},
volume={9},
number={17},
pages={-},
document_type={Article},
}