SPIN-FREE WAVE FUNCTIONS IN MANY-ELECTRON PERTURBATION THEORY. I. SYSTEMS WITH ONE NONCLOSED SHELL.TAI ICHI SHIBUYA; SINANOGLU O.1973; INTERNATION. J. QUANTUM CHEM.; U.S.A.; DA. 1973; VOL. 7; NO 6; PP. 1159-1174; ABS. FR. ALLEM.; BIBL. 6 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

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

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

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

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

A NON-PERTURBATIVE OPEN-SHELL THEORY FOR ATOMIC AND MOLECULAR SYSTEMS. APPLICATION TO TRANSBUTADIENE.MUKHERJEE D; MOITRA RK; MUKHOPADHYAY A et al.1975; PRAMANA; INDIA; DA. 1975; VOL. 4; NO 6; PP. 247-263; BIBL. 12 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

SPIN-FREE QUANTUM CHEMISTRY. XXI: HARTREE-FOCK THEORYMATSEN FA; NELIN CJ.1979; INTERNATION. J. QUANTUM CHEM.; USA; DA. 1979; VOL. 15; NO 2; PP. 751-767; ABS. FRE/GER; BIBL. 18 REF.Article

AN ALGORITHM TO SOLVE OPEN AND CLOSED-SHELL AND RESTRICTED MC-SCF EQUATIONSHINZE J; YURTSEVER E.1979; J. CHEM. PHYS.; USA; DA. 1979; VOL. 70; NO 7; PP. 3188-3190; BIBL. 10 REF.Article

SUR LA LOCALISATION DES ORBITALES MOLECULAIRES EN COUCHES OUVERTES.PEETERS D; LEROY G.1977; BULL. SOC. CHIM. BELGES; BELG.; DA. 1977; VOL. 86; NO 11; PP. 833-840; ABS. ANGL.; BIBL. 13 REF.Article

AN AB-INITIO DERIVATION OF THE PI-ELECTRON HAMILTONIAN BY A NON-PERTURBATIVE OPEN-SHELL FORMALISM.DEBASHIS MUKHERJEE; RAJ KUMAR MOITRA; ATRI MUKHOPADHYAY et al.1977; PRAMANA; INDIA; DA. 1977; VOL. 9; NO 6; PP. 545-572; BIBL. 48 REF.Article

PROGRAMME DE RESOLUTION DES EQUATIONS DE HARTREE-FOCK-ROOTHAAN POUR DES SYSTEMES A COUCHES COMPLETES ET INCOMPLETES PAR LA METHODE DE ROOTHAAN, DANS LES VARIANTES D'HAMILTONIEN COMBINE ET HAMILTONIENS DIFFERENTSBOZHENKO KV; KLIMENKO NM; CHARKIN OP et al.1976; ZH. STRUKT. KHIM.; S.S.S.R.; DA. 1976; VOL. 17; NO 3; PP. 547-548; BIBL. 6 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