@misc{indiciaec4bda8657356,
  title = {Propagators for shape-invariant singular potentials.},
  author = {AM Jayannavar and A Khare},
  year = {1993},
  doi = {10.1103/physrevd.47.4796},
  url = {https://pubmed.ncbi.nlm.nih.gov/10015483/},
  note = {Source identifier: 10015483}
}