@misc{indiciae35a8b43be28c,
  title = {Boundary conditions across a delta -function potential in the one-dimensional Dirac equation.},
  author = {CL Roy},
  year = {1993},
  doi = {10.1103/physreva.47.3417},
  url = {https://pubmed.ncbi.nlm.nih.gov/9909323/},
  note = {Source identifier: 9909323}
}