@article{tian_zhang_2013, 
  title={Fuzzy Judgment Matrix Application of Index Weight Ratio in Evaluation System}, 
  volume={13}, 
  DOI={10.3923/jas.2013.4671.4675}, 
  number={21}, 
  publisher={Science Alert}, 
  author={Tian and Zhang}, 
  year={2013}, 
  month={Dec}
  }