@article{ZhangRen2022,
  author    = {Yongzheng Zhang and Huilong Ren},
  title     = {Implicit implementation of the nonlocal operator method: an open source code},
  journal   = {Engineering with computers},
  volume    = {2022},
  pages     = {1 -- 35},
  doi       = {10.1007/s00366-021-01537-x},
  url       = {https://link.springer.com/article/10.1007/s00366-021-01537-x},
  year      = {2022},
}