Shelyazhenko, S. V.; Fialkov, Yu. A.; Yagupol'skii, L. M.
Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 9.2 p. 1737 - 1742
Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 9 p. 1965 - 1972