1. I. G. Iovel', Yu. Sh. Gol'dberg, and M. V. Shimanskaya, Fifth International Symposium on the Relationship between Homogeneous and Heterogeneous Catalysis. Summaries of Papers [in Russian], Novosibirsk (1986), p. 101.
2. P. Rys and W. J. Steinegger, J. Am. Chem. Soc., 101, 4801 (1979).
3. é. Ya. Lukevits, L. M. Ignatovich, Yu. M. Gol'dberg, and M. V. Shimanskaya, Khim. Geterotsikl. Soedin., No. 6, 853 (1986).
4. L. L. Faugue, US Patent No. 2681917; Chem,. Abstr., 48, 7600 (1955).
5. Ya. L. Gol'dfarb and Ya. L. Danyushevskii, Izv. Akad. Nauk SSSR, Ser. Khim., No. 3, 540 (1963).