Koval', I. V.; Tarasenko, A. I.; Kremlev, M. M.; Naumenko, R. P.
Journal of Organic Chemistry USSR (English Translation), 1986 , p. 1060 - 1064
Zhurnal Organicheskoi Khimii, 1986 , vol. 22, # 6 p. 1178 - 1184