@article{mihova2019minimizing,
  title={Minimizing Total Weight of Feedback Arcs in Flow Graphs}
  author={Mihova, Marija and Ivanoska, Ilinka and Trifunovski, Kristijan and Trivodaliev, Kire}
  journal={ICT Innovations 2019, Web Proceedings ISSN null}
  pages={87--97}
  year={2019}
}