1. V.B. Belyaev et al., JINR preprint, D15-92-324, Dubna, 1992.
2. S.P. Merkuriev et al., Proceedings of the International Conference on the Theory of Few Body and Quark Hadronic System, Dubna, D4-87-692, 1987, p. 6.
3. J.L. Friar, Proceedings of the International Conference on the Theory of Few Body and Quark Hadronic System, Dubna, D4-87-692, 1987, p. 70.
4. Vit.M. Bystritskii et al., JINR preprint, D15-96-11, Dubna, 1996.