Dmitriev, F. M.; Gornostaev, L. M.; Gritsan, N. P.; El'tsov, A. V.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 11 p. 2243 - 2251
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 11 p. 2452 - 2461