Prosyanik, A. V.; Fedoseenko, D. V.; Markov, V. I.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 8 p. 1494 - 1503
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 8 p. 1637 - 1647