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9Interconversions of some nitrogen-containing heterocyclic systems (review), Chemistry of Heterocyclic Compounds Benzazetines and their derivatives (review), Chemistry of Heterocyclic Compounds Resonance energies of some compounds containing nitrogen or oxygen, Theoretica chimica acta Calculation of structure and valence isomerization of azacyclobutadiene by PNDO/3 method, Theoretical and Experimental Chemistry The structure of anti-aromatic molecules. VII. The multiplicity of solutions and the problem of artefact structures. Conjugated heterocyclic rings, Journal of Structural Chemistry Potential barriers of isomerization reactions of HBO molecule, Theoretical and Experimental Chemistry Stability of Hartree-Fock solutions and structure of MONO-, DI-, and triazacyclobutadienes, Journal of Structural Chemistry New method of preparing ??-lactams, Bulletin of the Academy of Sciences of the USSR, Division of chemical science