Komarova, L. I.; Pokrovskaya-Dukhnenko, E. M.; Zaiko, I. A.
Journal of Organic Chemistry USSR (English Translation), 1986 , vol. 22, # 11 p. 2089 - 2092
Zhurnal Organicheskoi Khimii, 1986 , vol. 22, # 11 p. 2327 - 2331