@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},
} 

