Bodrikov, I. V.; Krasnov, V. L.; Matyukov, E. V.; Chernov, A. N.; Verin, I. A.
Journal of Organic Chemistry USSR (English Translation), 1987 , vol. 23, p. 1921 - 1926
Zhurnal Organicheskoi Khimii, 1987 , vol. 23, # 10 p. 2174 - 2180