Garkusha-Bozhko, I. P.; Oleinik, N. M.; Litvinenko, L. M.
Journal of Organic Chemistry USSR (English Translation), 1982 , vol. 18, p. 2068 - 2077
Zhurnal Organicheskoi Khimii, 1982 , vol. 18, # 11 p. 2340 - 2350