R. McWeeny and G. Dierksen, “Self-consistent perturbation theory. 2. Extension to open shells,” J. Chem. Phys., 49 (1968) 4852. DOI: 10.1063/1.1669970
R. McWeeny and G. Dierksen, “Self-consistent perturbation theory. 2. Extension to open shells,” J. Chem. Phys., 49 (1968) 4852. DOI: 10.1063/1.1669970
