1. de Shalit, A., and Walecka, J. D., Phys. Rev., 120:1790 (1960);
2. de Shalit, A., and Walecka, J. D., Nucl. Phys., 22:184 (1961);
3. de Shalit, A., Nucl. Phys., 22:677 (1961).
4. Sliv, L. A., et al., Zh. Éksperim. i Teor. Fiz., 40:946 (1960); Kharitonov, Yu. I., Dissertation LFTI (1965),
5. Sliv, L. A., et al., Izv. Akad. Nauk SSSR, Ser. Fiz., 28:315 (1964).