References
- Löwdin , P.-O. 1950 . J. chem. Phys. , 18 : 365 – 365 .
- Parr , R.G. and Mulliken , R.S. 1950 . J. chem. Phys. , 18 : 1338 – 1338 .
- Pariser , R. and Parr , R.G. 1953 . J. chem. Phys. , 21 : 466 – 466 . 767
- McWeeny , R. 1955 . Proc. R. Soc. A , 227 : 288 – 288 .
- Lykos , P.G. 1961 . J. chem. Phys. , 35 : 1249 – 1249 .
- Ruedenberg , K. 1961 . J. chem. Phys. , 34 : 1861 – 1861 .
- Pople , J.A. and Segal , G.A. 1965 . J. chem. Phys. , 43 : S136 – S136 .
- Hinzé , J. and Jaffé , H.H. 1962 . J. Am. chem. Soc. , 84 : 540 – 540 .
- Pople , J.A. and Nesbet , R.K. 1954 . J. chem. Phys. , 22 : 571 – 571 .
- Brickstock , A. and Pople , J.A. 1954 . Trans. Faraday Soc. , 50 : 901 – 901 .
- Cook , D.B. , Hollis , P.C. and McWeeny , R. 1967 . Molec. Phys. , 13 : 553 – 553 .
- Karplus , M. and Shavitt , I. 1963 . J. chem. Phys. , 38 : 1256 – 1256 .