SEARCH Articles Figures Tables Dirac equation Dirac-Fock Dirac-Fock equation Dirac-Hartree Dirac-Hartree-Fock Dirac-Hartree-Fock-Roothaan Equation Dirac-Hartree-Fock Equations matrix Fock equations Fock matrix Fock-Roothaan equations Hartree Fock equation Hartree equation Hartree-Fock equation matrix Hartree-Fock matrix Hartree-Fock-Roothaan equation Matrices Dirac Roothaan Roothaan equations