Stability conditions for the solutions of the half-projected Hartree-Fock scheme. The lithium-hydride ground state
Yves Gabriel Smeyers and Gerardo Delgado-Barrio
Phys. Rev. A 15, 1359 (1977) - Published 1 April, 1977
Thoery of level splitting: Spectrum of the octahedrally invariant fourth-rank tensor operator
K. Fox, H. W. Galbraith, B. J. Krohn, and J. D. Louck
Phys. Rev. A 15, 1363 (1977) - Published 1 April, 1977