Karpov, V. M.; Platonov, V. E.; Chuikov, I. P.; Yakobson, G. G.
Journal of Organic Chemistry USSR (English Translation), 1983 , vol. 19, # 10 p. 1880 - 1888
Zhurnal Organicheskoi Khimii, 1983 , vol. 19, # 10 p. 2164 - 2173