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PERTURBATION THEORY OF EFFECTIVE INTERACTIONS FOR MANY-ELECTRON SYSTEMS IN TERMS OF NONORTHOGONAL BASIS STATES.KVASNICKA V.1975; PHYS. REV., A; U.S.A.; DA. 1975; VOL. 12; NO 4; PP. 1159-1167; BIBL. 50 REF.Article

THE RAYLEIGH-SCHROEDINGER PERTURBATION AND THE LINKED-DIAGRAM THEOREM FOR A MULTI-CONFIGURATIONAL MODEL SPACE.LINDGREN I.1974; J. PHYS. B; G.B.; DA. 1974; VOL. 7; NO 18; PP. 2441-2470; BIBL. 32 REF.Article

FINE-STRUCTURE INTERVALS IN ALKALI-LIKE SPECTRA OBTAINED FROM MANY-BODY THEORY.HOLMGREN L; LINDGREN I; MORRISON J et al.1976; Z. PHYS. A; DTSCH.; DA. 1976; VOL. 276; NO 3; PP. 179-185; BIBL. 17 REF.Article

THEORY OF THE CHEMICAL BOND. III. THE RADIUS OF CONVERGENCE OF RAYLEIGH-SCHROEDINGER AND IMPLICIT PERTURBATION EXPANSIONS.MATCHA RL; KING SL JR.1976; J. CHEM. PHYS.; U.S.A.; DA. 1976; VOL. 65; NO 8; PP. 3355-3356; BIBL. 3 REF.Article

A DIAGRAMMATIC INTERPRETATION OF FORMAL RAYLEIGH-SCHROEDINGER PERTURBATION THEORY.KVASNICKA V.1975; CHEM. PHYS. LETTERS; NETHERL.; DA. 1975; VOL. 32; NO 1; PP. 167-172; BIBL. 31 REF.Article

THE B_K METHOD: APPLICATION TO METHYLENEDAVIDSON ER; MCMORCHIE LE; DAY SJ et al.1981; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1981; VOL. 74; NO 10; PP. 5491-5496; BIBL. 20 REF.Article

RAYLEIGH-SCHROEDINGER PERTURBATION CALCULATIONS FOR BERYLLIUM.SAXON GP; HARDCASTLE DL.1977; TEXAS J. SCI.; U.S.A.; DA. 1977; VOL. 28; NO 1; PP. 239-252; BIBL. 8 REF.Article

AN ANALYSIS OF THE NATURAL ORBITAL THEORY OF IONIZATION POTENTIALS.ANDERSON E; SIMMONS J.1977; J. CHEM. PHYS.; U.S.A.; DA. 1977; VOL. 66; NO 3; PP. 1067-1069; BIBL. 16 REF.Article

VALIDITY OF THE THREE-CENTER, FOUR-ELECTRON MODEL FOR STABILITY OF RARE GAS HALIDES ON THE BASIS OF EXCHANGE PERTURBATION THEORY.LOMBARDI E; PIROLA L; TARANTINI G et al.1974; INTERNATION. J. QUANTUM CHEM.; U.S.A.; DA. 1974; VOL. 8; NO 3; PP. 335-345; BIBL. 8 REF.Article

BOUNDS FOR SECOND ORDER PERTURBATION THEORY.BURROWS BL.1974; J. PHYS. B; G.B.; DA. 1974; VOL. 7; NO 8; PP. 881-891; BIBL. 13 REF.Article

A NEW-ZERO-ORDER HAMILTONIAN FOR MANYBODY PERTURBATION THEORYWILSON S.1979; CHEM. PHYS. LETTERS; NLD; DA. 1979; VOL. 66; NO 2; PP. 255-257; BIBL. 9 REF.Article

THE RELATIONSHIP BETWEEN THE RAYLEIGH-SCHROEDINGER AND ASYMPTOTIC PERTURBATION THEORIES OF INTERMOLECULAR FORCES.WHITTON WN; BROWN WB.1976; INTERNATION. J. QUANTUM CHEM.; U.S.A.; DA. 1976; VOL. 10; NO 1; PP. 71-86; ABS. FR. ALLEM.; BIBL. 19 REF.Article

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METHODE DE PERTURBATIONS A OPERATEURS DANS LA THEORIE DES SPECTRES IR DES MOLECULES. HAMILTONIENS EFFECTIFS. IIMAKUSHKIN YU S; TYUTEREV VG.1977; IZVEST. VYSSH. UCHEBN. ZAVED., FIZ.; S.S.S.R.; DA. 1977; VOL. 20; NO 7; PP. 82-90; BIBL. 19 REF.Article

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ON A FORMAL TREATMENT OF THE RAYLEIGH-SCHROEDINGER PERTURBATION THEORYHAASE D.1978; THEOR. CHIM. ACTA; DEU; DA. 1978; VOL. 49; NO 2; PP. 131-142; BIBL. 15 REF.Article

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BENDER-WU FORMULAS FOR THE ZEEMAN EFFECT IN HYDROGENAVRON JE.1981; ANN. PHYS.; ISSN 0003-4916; USA; DA. 1981; VOL. 131; NO 1; PP. 73-94; BIBL. 57 REF.Article

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