@misc{indiciae74b429862989,
  title = {Coupled-cluster response approach: Improved variational strategy.},
  author = {S Pal},
  year = {1990},
  doi = {10.1103/physreva.42.4385},
  url = {https://pubmed.ncbi.nlm.nih.gov/9904539/},
  note = {Source identifier: 9904539}
}