@misc{indiciaefb584d7f1314,
  title = {Finite-difference scheme to solve Schrödinger equations.},
  author = {R Chen and Z Xu and L Sun},
  year = {1993},
  doi = {10.1103/physreve.47.3799},
  url = {https://pubmed.ncbi.nlm.nih.gov/9960448/},
  note = {Source identifier: 9960448}
}