Kulinkovich, O. G.; Tishchenko, I. G.; Sviridov, S. V.
Journal of Organic Chemistry USSR (English Translation), 1987 , vol. 23, p. 2237 - 2240
Zhurnal Organicheskoi Khimii, 1987 , vol. 23, # 12 p. 2535 - 2538