Nonorthogonal basis sets in quantum mechanics Representations and second quantization

von Artacho
Veröffentlicht in: Physical review. A, Atomic, molecular, and optical physics (1991)

Coexistence of spiral spin-density waves and superconductivity Ground-state properties

von Miláns del Bosch L
Veröffentlicht in: Physical review. B, Condensed matter (1990)