Burmakov, A. I.; Hassanein, Salah Mohamed; Kunshenko, B. V.; Alekseeva, L. A.; Yagupol'skii, L. M.
Journal of Organic Chemistry USSR (English Translation), 1986 , vol. 22, # 6 p. 1146 - 1149
Zhurnal Organicheskoi Khimii, 1986 , vol. 22, # 6 p. 1273 - 1276