Universal variational functionals of electron densities, first-order density matrices, and natural spin-orbitals and solution of the v -representability problem

Quantum theory of molecules and solids

1975 • 803 citations

Advances in Quantum Chemistry

1970 • 555 citations

Orbital Theories of Molecules and Solids

1975 • 81 citations

Analysis of methotrexate in human plasma by high-pressure liquid chromatography with fluorescence detection.

1977 • 57 citations