REFERENCES.
1. L. D. Landau, E. M. Lifshitz, Theoretical physics in 10 volumes.
Volume 3. Quantum mechanics. Fourth Edition. Moscow .: Science, 1989,
pages 19 - 21. ISBN 5-02-014421-5 (Volume 3).
2. Pauling L. Nature of the chemical bond. Translation from English M.
E. Dyatkinoy. By prof. A. Y. Syrkin. - M .; L .: Goskhimizdat, 1947,
pages 413, 128 - 157, 408 - 416.
3. J. March. Organic Chemistry. Reactions, mechanisms, and structure.
Advanced course for universities and chemical universities. In four
volumes. Volume 1. Translated from English. Moscow .: Mir, 1987, pages
47 - 49.