1. 1. I.E. Kashuba, V.I. Ovcharenko. Ukr. J. Phys. 17(2) (1972) 315. (Rus)
2. 2. O. Bohr, B. Mottelson. Atomic nucleus structure. Vol. 2. The deformation of the nuclei (Moskva: Mir, 1977) 664 p. (Rus) Google Books
3. 3. K. Takahashi, G.J. Mathews, S.D. Bloom. Shell-model calculation of 99Tc beta decay in astrophysical environments. Phys. Rev. C 33 (1986) 296. https://doi.org/10.1103/PhysRevC.33.296
4. 3. V.G. Soloviev. The theory of complex nuclei (Moskva: Nauka, 1971) 559 p. (Rus) Google Books
5. 4. V.G. Soloviev. Quasiparticle-Phonon Nuclear Model. I. Basic Assumptions. Phys. Element. Part. At. Nuclei 9(4) (1978) 580. (Rus) http://www1.jinr.ru/Archive/Pepan/1978-v9/v-9-4/pdf_obzory/v9p4_2.pdf