Amosova, S. V.; Gostevskaya, V. I.; Gavrilova, G. M.; Enikeeva, E. I.; Trofimov, B. A.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 2294 - 2298
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 12 p. 2521 - 2526