TY  - RPRT
TI  - Second-order Møller-Plesset perturbation theory without basis set superposition error. II. Open-shell systems.
AU  - P Salvador
AU  - I Mayer
PY  - 2004
DO  - 10.1063/1.1650306
UR  - https://pubmed.ncbi.nlm.nih.gov/15267470/
ID  - 15267470
ER  -