Vogler, Helmut Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;
https://onlinelibrary.wiley.com/doi/epdf/10.1002/qua.560150617 (Any fulltext)
https://doi.org/10.1002/qua.560150617 (Any fulltext)
Vogler, H. (1979). Improved uncoupled Hartree–Fock (IUCHF) perturbation methods and bounds for the second‐order energy in coupled Hartree–Fock perturbation theory. International Journal of Quantum Chemistry, 15(6), 745-750. doi:10.1002/qua.560150617.