@article{anextendeddescriptionlogicsystemwith,
  title = {An extended description logic system with knowledge element based on ALC},
  author = {Bin Wen and Jianhou Gan and Juan L. G. Guirao and Wei Gao},
  year = {2019},
  eprint = {1904.07469},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1904.07469v1},
}