1. Coupled-cluster Methods in Quantum Chemistry
2. J. Gauss, in Encyclopedia of Computational Chemistry, edited by P. v. R. Schleyer, N. L. Allinger, T. Clark, J. Gasteiger, P. A. Kollmann, H. F. Schaefer, and P. R. Schreiner (Wiley, New York, 1998), p. 615.
3. Coupled-cluster theory in quantum chemistry
4. T. Helgaker, in Encyclopedia of Computational Chemistry, edited by P. v. R. Schleyer, N. L. Allinger, T. Clark, J. Gasteiger, P. A. Kollmann, H. F. Schaefer, and P. R. Schreiner (Wiley, New York, 1998), p. 1157.
5. Response functions from Fourier component variational perturbation theory applied to a time-averaged quasienergy