@article{9827,
  author = {E. Heller and William Reinhardt and H. Yamani},
  title = {On an \textquotedblleftequivalent quadrature\textquotedblright calculation of matrix elements of (z - p2/2m)-1 using an L2 expansion technique},
  year = {1973},
  journal = {Journal of Computational Physics},
  volume = {13},
  pages = {536-550},
  month = {Jan-12-1973},
  issn = {00219991},
  doi = {10.1016/0021-9991(73)90032-6},
}