THE SEMIEMPIRICAL LCAO-MO METHOD OF ENERGY SPECTRUM AND ELECTRONIC STRUCTURE CALCULATION FOR OPEN-SHELL CLUSTERSSHASHKIN SY; NIKIFOROV AE; CHEREPANOV VI et al.1980; PHYS. STATUS SOLIDI (B), BASIC RES.; ISSN 0370-1972; DDR; DA. 1980; VOL. 97; NO 2; PP. 421-430; ABS. RUS; BIBL. 25 REF.Article

CALCULATION OF JAHN-TELLER COUPLING CONSTANTS OF 3D TRANSITION METAL IONS IN CRYSTALS. I. GENERAL THEORYNIKIFOROV AE; SHASHKIN SY; KROTKII AI et al.1980; PHYS. STATUS SOLIDI (B), BASIC RES.; ISSN 0370-1972; DDR; DA. 1980; VOL. 97; NO 2; PP. 475-479; ABS. GER; BIBL. 9 REF.Article

CALCUL DES CONSTANTES DE COUPLAGE JAHN-TELLER POUR LES IONS NI²⁺ ET TI³⁺ DANS LES CRISTAUXSHASHKIN S YU; NIKIFOROV AE; KROTKIJ AI et al.1980; FIZ. TVERD. TELA; ISSN 0367-3294; SUN; DA. 1980; VOL. 22; NO 6; PP. 1829-1835; BIBL. 15 REF.Article

CALCULATION OF JAHN-TELLER COUPLING CONSTANTS OF 3D TRANSITION METAL IONS IN CRYSTALS. II: RBMNF₃NIKIFOROV AE; SHASHKIN S YU; KROTKII AI et al.1980; PHYS. STATUS SOLIDI (B), BASIC RES.; ISSN 0370-1972; DDR; DA. 1980; VOL. 98; NO 1; PP. 289-296; ABS. RUS; BIBL. 6 REF.Article

VARIATION DES PARAMETRES DE L'HAMILTONIEN DE SPIN DES IONS S EN FONCTION DU PARAMETRE D'ORDRE LORS DES TRANSITIONS DE PHASES STRUCTURALESNIKIFOROV AE; KROTKIJ AI; VAZHENIN VA et al.1979; FIZ. TVERD. TELA; SUN; DA. 1979; VOL. 21; NO 10; PP. 2900-2904; BIBL. 4 REF.Article

CALCUL DES PARAMETRES DE L'INTERACTION D'ECHANGE INDIRECTE DE PAIRES D'IONS D'IMPURETES MAGNETIQUES DANS LES DIELECTRIQUESSAPOZHNIKOV VA; NIKIFOROV AE; MITROFANOV V YA et al.1975; DOKL. AKAD. NAUK S.S.S.R.; S.S.S.R.; DA. 1975; VOL. 221; NO 3; PP. 577-579; BIBL. 8 REF.Article

EXCHANGE INTERACTIONS OF TRANSITION-METAL IONS IN ORBITALLY DEGENERATED EXCITED STATESMITROFANOV V YA; SAPOZHNIKOV VA; NIKIFOROV AE et al.1980; J. MAGNET. MAGNET. MATER.; NLD; DA. 1980; VOL. 20; NO 2; PP. 141-147; BIBL. 22 REF.Article

INFRA-RED LIGHT ABSORPTION IN CHROMIUM ION PAIRS IN RUBY.MITROFANOV V YA; NIKIFOROV AE; SAPOZHNIKOV VA et al.1975; SOLID STATE COMMUNIC.; G.B.; DA. 1975; VOL. 16; NO 7; PP. 899-901; BIBL. 10 REF.Article

CALCULATION OF ABSORPTION INTENSITIES OF CR³⁺ ION PAIR LINES IN RUBY.SAPOZHNIKOV VA; CHAMEEVA NK; MITROFANOV VV et al.1974; SPECTROSC. LETTERS; U.S.A.; DA. 1974; VOL. 7; NO 11; PP. 571-574; BIBL. 5 REF.Article