1. Khugaev, A. and Bibaeva, E. (2023) The Worlds on the Other Side of the Big Bang. Journal of Applied Mathematics and Physics, 11, 276-302. httpss://doi.org/10.4236/jamp.2023.111016
2. Landau, L.D. and Lifshits, E.M. (1989) v3 Quantum Mechanic: Nonrelativistic Part. Nauka Publisher, Moscow, 767 p.
3. Ehrenfest, P. (1917) In That Way Does It Become Manifest in the Fundamental Laws of Physics That Space Has Three Dimensions? Proceedings of the Amsterdam Academy, Vol. 20, 200-209.
4. Khugaev, A.V. (2021) Concept of “Nested Russian Doll” Concept of 3-Principles and the Nature of the Dark Matter. Sciences of Europe, No. 68, 1, 34-40.
5. Feyman, R.P. and Hibbs, A.R. (1965) Quantum Mechanics and Path Integrals. McGraw-Hill Book Company, New York.