1. D. N. Kadrev, M. V. Ivanov, A. N. Antonov, et al., Phys. Rev. C 68, 014617 (2003).
2. R. Starink et al., Phys. Lett. B 474, 33 (2000).
3. G. Rosken, in Proceedings of Conference on Pespectives in Hadronic Physics (World Sci., Singapore, 1998), p. 185; Prog. Part. Nucl. Phys. 44, 99 (2000).
4. A. Niyazov and L. B. Wainstein (for the CLAS Collab., BAIONS 2002), in Proceedings of the 9th International Conference on the Structure of Barions, Ed. by C. E. Carlson and B. A. Mecking (World Sci., Singapore, 2003), p. 581.
5. V. N. Eponeshnikov and Yu. F. Krechetov, Pis’ma Zh. Éksp. Teor. Fiz. 29, 442 (1979) [JETP Lett. 29, 401 (1979)].