1. M. I. Adamovich et al., Yad. Fiz. 67, 533 (2004) [Phys. At. Nucl. 67, 514 (2004)].
2. V. Bradnova et al., Yad. Fiz. 66, 1694 (2003) [Phys. At. Nucl. 66, 1646 (2003)].
3. M. I. Adamovich et al., Fiz. Élem. Chastits At. Yadra 177(2), 29 (2003).
4. A. S. Davydov, Theory of the Nucleus (Fizmatgiz, Moscow, 1958) [in Russian].
5. J. A. Wheeler, Phys. Rev. 59, 16 (1941).