Collect. Czech. Chem. Commun.
1988, 53, 2203-2213
https://doi.org/10.1135/cccc19882203
Multiplicity of many-body wavefunctions using unrestricted Hartree-Fock reference functions
George D. Purvis, III, Hideo Sekino and Rodney J. Bartlett
Quantum Theory Project, Departments of Chemistry and Physics, University of Florida, Gainesville, Florida 32611, U.S.A.
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