A UNITARY GROUP FORMULATION OF OPEN-SHELL ELECTRON PROPAGATOR THEORYBORN G; SHAVITT I.1982; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1982; VOL. 76; NO 1; PP. 558-567; BIBL. 20 REF.Article

THE DIRECT CONFIGURATION INTERACTION METHOD FOR GENERAL MULTIREFERENCE EXPANSIONS: SYMMETRIC GROUP APPROACHDUCH W.1980; THEOR. CHIM. ACTA; ISSN 0040-5744; DEU; DA. 1980; VOL. 57; NO 4; PP. 299-313; BIBL. 62 REF.Article

ON THE HIERARCHY EQUATIONS OF THE WAVE-OPERATOR FOR OPEN-SHELL SYSTEMSMUKHERJEE D.1979; PRAMANA; IND; DA. 1979; VOL. 12; NO 3; PP. 203-225; BIBL. 30 REF.Article

COMMENT ON COEFFICIENTS OF FRACTIONNAL PARENTAGE OF THE FORM (L^2L+1!)L^2L+2)STARACE AF.1983; PHYSICAL REVIEW. A. GENERAL PHYSICS; ISSN 0556-2791; USA; DA. 1983; VOL. 27; NO 1; PP. 572-573; BIBL. 12 REF.Article

BRANCHING RATIOS FOR IONIZATION PROCESSESSCHIRMER J; CEDERBAUM LS; KIESSLING J et al.1980; PHYS. REV. A; ISSN 0556-2791; USA; DA. 1980; VOL. 22; NO 6; PP. 2696-2709; BIBL. 38 REF.Article

AN ITERATIVE PROCESS TO CALCULATE THE SCF OPEN SHELL ORBITALS.COLLE R; MONTAGNANI R; RIANI P et al.1978; THEOR. CHIM. ACTA; DEU; DA. 1978; VOL. 48; NO 3; PP. 251-256; BIBL. 17 REF.Article

REMARKS ON THE USE OF THE AVERAGE OCCUPATION NUMBERS IN THE SCF PROCESS FOR OPEN SHELL SYSTEMSCOLLE R; SALVETTI O.1982; INT. J. QUANTUM CHEM.; ISSN 0020-7608; USA; DA. 1982; VOL. 22; NO 2; PP. 289-292; BIBL. 10 REF.Article

IDEMPOTENT DENSITY MATRICES FOR CORRELATED SYSTEMS FROM X-RAY-DIFFRACTION STRUCTURE FACTORSFRISHBERG C; MASSA LJ.1981; PHYS. REV. B; ISSN 0163-1829; USA; DA. 1981; VOL. 24; NO 12; PP. 7018-7024; BIBL. 10 REF.Article

CORE-VALENCE SEPARATION AND USE OF NON-ORTHOGONAL BASIS-SETS IN NON-PERTURBATIVE OPEN-SHELL MANY-BODY FORMALISM.DEBASHIS MUKHERJEE; RAJ KUMAR MOITRA; ATRI MUKHOPADHYAY et al.1977; INDIAN J. PURE APPL. PHYS.; INDIA; DA. 1977; VOL. 15; NO 9; PP. 623-628; BIBL. 11 REF.Article

HARTREE-FOCK EQUATIONS FOR OPEN SHELL STATES.SILVERSTONE HJ.1977; J. CHEM. PHYS.; U.S.A.; DA. 1977; VOL. 67; NO 9; PP. 4172-4180; BIBL. 17 REF.Article

DIAGRAMMATIC MANY-BODY PERTURBATION THEORY FOR GENERAL MODEL SPACESHOSE G; KALDOR U.1979; J. PHYS. B; ISSN 0022-3700; GBR; DA. 1979; VOL. 12; NO 23; PP. 3827-3855; BIBL. 58 REF.Article

CLUSTER EXPANSION OF THE WAVEFUNCTION. SYMMETRY-ADAPTED-CLUSTER EXPANSION, ITS VARIATIONAL DETERMINATION, AND EXTENSION OF OPEN-SHELL ORBITAL THEORY.NAKATSUJI H; HIRAO K.1978; J. CHEM. PHYS.; U.S.A.; DA. 1978; VOL. 68; NO 5; PP. 2053-2065; BIBL. 35 REF.Article

GENERATION OF GENERALIZED BRANCHING DIAGRAM SPIN FUNCTIONS BY SCHMIDT ORTHOGONALIZATION OF SPIN-PAIRED FUNCTIONSRUTTINK PJA.1981; INT. J. QUANTUM CHEM.; ISSN 0020-7608; USA; DA. 1981; VOL. 19; NO 3; PP. 413-426; ABS. FRE/GER; BIBL. 13 REF.Article

MORE ON THE OPEN-SHELL PROBLEMHENDEKOVIC J; KIRIN D; PAVLOVIC M et al.1980; CHEM. PHYS. LETTERS; NLD; DA. 1980; VOL. 70; NO 2; PP. 379-381; BIBL. 5 REF.Article

THE HELLMANN-FEYNMAN THEOREM FOR OPEN-SHELL AND MULTICONFIGURATION SCF WAVE FUNCTIONSYURTSEVER E; HINZE J.1979; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1979; VOL. 71; NO 3; PP. 1511; BIBL. 10 REF.Article

CHISTER EXPANSION OF THE WAVEFUNCTION. THE OPEN-SHELL ORBITAL THEORY INCLUDING ELECTRON CORRELATIONHIRAO K; NAKATSUJI H.1978; J. CHEM. PHYS.; USA; DA. 1978; VOL. 69; NO 10; PP. 4548-4563; BIBL. 27 REF.Article

LINKED-CLUSTER PERTURBATION THEORY FOR CLOSED- AND OPENSHELL SYSTEMS.BRANDOW BH.1977; ADV. QUANTUM CHEM.; U.S.A.; DA. 1977; VOL. 10; PP. 187-249; BIBL. 3 P.Article

APPLICATION OF GRAPHICAL METHODS OF SPIN ALGEBRAS TO LIMITED CI APPROACHES. II. A SIMPLE OPEN SHELL CASE.ADAMS BG; PALDUS J; CIZEK J et al.1977; INTERNATION. J. QUANTUM CHEM.; U.S.A.; DA. 1977; VOL. 11; NO 5; PP. 849-867; ABS. FR. ALLEM.; BIBL. 15 REF.Article

MULTICONFIGURATION COUPLED HARTREE-FOCK PERTURBATION SCHEME. A MATRIX FORMULATION.JASZUNSKI M.1976; ACTA PHYS. POLON., A; POLOGNE; DA. 1976; VOL. 49; NO 6; PP. 785-790; BIBL. 16 REF.Article

LINKED-CLUSTER PERTURBATION THEORY FOR CLOSED AND OPEN-SHELL SYSTEMS: DERIVATION OF EFFECTIVE PI -ELECTRON HAMILTONIANS.BRANDOW BH.sdIN: ELECTRON. STRUCT. PROP. POLYM. N.A.T.O. ADV. STUDY INST. CONF.; NAMUR; 1977; S.L.; DA. S.D.; PP. (16P.); BIBL. 39 REF.Conference Paper

CONVERGENCE TESTS OF COUPLING OPERATORSISHIKAWA Y; BINNING RC JR; ADAMS WH et al.1982; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1982; VOL. 76; NO 8; PP. 4105-4109; BIBL. 39 REF.Article

MANY-BODY PERTURBATION THEORY FOR OPEN-SHELL SYSTEMS. EXPANSION THROUGH FOURTH-ORDERWILSON S.1982; THEOR. CHIM. ACTA; ISSN 0040-5744; DEU; DA. 1982; VOL. 61; NO 4; PP. 343-361; BIBL. 10 REF.Article

REINVESTIGATION OF BRILLOUIN'S THEOREM IN OPEN-SHELL SCF THEORY BY MEANS OF CONSTRAINED ORBITAL VARIATIONMORIKAWA T; L'HAYA YJ.1981; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1981; VOL. 75; NO 11; PP. 5389-5392; BIBL. 7 REF.Article

THE COUPLED-CLUSTER METHOD WITH A MULTICONFIGURATION REFERENCE STATEAJIT BANERJEE; SIMONS J.1981; INT. J. QUANTUM CHEM.; ISSN 0020-7608; USA; DA. 1981; VOL. 19; NO 2; PP. 207-216; ABS. FRE/GER; BIBL. 11 REF.Article

DISPERSION ENERGY BETWEEN CLOSED-SHELL AND HALF-CLOSED-SHELL MOLECULES. AN AB INITIO CALCULATION FROM A PERTURBATION PROCEDURE ON LIHESEGER G; KOCHANSKI E.1980; CHEM. PHYS. LETT.; ISSN 0009-2614; NLD; DA. 1980; VOL. 76; NO 3; PP. 568-572; BIBL. 19 REF.Article