Grushin, A. I.; Grigor'ev, V. V.; Prokof'ev, K. V.; Kozlova, N. M.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 10 p. 1991 - 1993
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 10 p. 2176 - 2178