@article{9810,
  author = {E. Heller and William Reinhardt},
  title = {Comment on the Direct-Matrix Solution of a Singular Lippmann-Schwinger Equation},
  year = {1973},
  journal = {Physical Review A},
  volume = {7},
  pages = {365-367},
  month = {Jan-01-1973},
  issn = {0556-2791},
  doi = {10.1103/PhysRevA.7.365},
}