ref.bib

@book{crawford2000introductioncoupled,
  title = {An Introduction to Coupled Cluster Theory for Computational Chemists},
  author = {Crawford, T. Daniel and Schaefer, Henry F.},
  editor = {Lipkowitz, Kenny B. and Boyd, Donald B.},
  year = {2000},
  edition = {1},
  volume = {14},
  publisher = {Wiley},
  doi = {10.1002/9780470125915.ch2}
}

@article{stanton1991directproduct,
  title = {A Direct Product Decomposition Approach for Symmetry Exploitation in Many-body Methods. I. Energy Calculations},
  author = {Stanton, John F. and Gauss, J{\"u}rgen and Watts, John D. and Bartlett, Rodney J.},
  year = {1991},
  journal = {The Journal of Chemical Physics},
  volume = {94},
  number = {6},
  pages = {4334--4345},
  doi = {10.1063/1.460620}
}

@book{helgaker2000molecularelectronicstructure,
  title = {Molecular Electronic-Structure Theory},
  author = {Helgaker, Trygve and J{\o}rgensen, Poul and Olsen, Jeppe},
  year = {2000},
  publisher = {Wiley},
  address = {Chichester ; New York},
  lccn = {QD461 .H423 2000}
}