Kulinkovich, O. G.; Tishchenko, I. G.; Romashin, Yu. N.; Zaitsev, Yu. A.
Journal of Organic Chemistry USSR (English Translation), 1987 , p. 1064 - 1067
Zhurnal Organicheskoi Khimii, 1987 , vol. 23, # 5 p. 1178 - 1180