Bethe–Salpeter correlation energies of atoms and molecules
Christof Holzer, Xin Gui, Michael E. Harding, Kresse Georg, Trygve Helgaker, Wim Klopper (2018). Bethe–Salpeter correlation energies of atoms and molecules. The Journal of Chemical Physics, 149(14), DOI: 10.1063/1.5047030.