Kostikov, R. R.; Krasikov, A. Ya.; Mandel'shtam, T. V.; Kharicheva, E. M.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 2 p. 294 - 298
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 2 p. 329 - 333