@misc{indiciae09399539ef4d,
  title = {Hadronic transition amplitudes under null-plane Bethe-Salpeter dynamics.},
  author = {NN Singh and AN Mitra},
  year = {1988},
  doi = {10.1103/physrevd.38.1454},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959293/},
  note = {Source identifier: 9959293}
}