Amosova, S. V.; Gostevskaya, V. I.; Gavrilova, G. M.; Afonin, A. V.; Toryashinova, D.-S. D.
Russian Journal of Organic Chemistry, 1993 , vol. 29, # 12 p. 2013 - 2018
Zhurnal Organicheskoi Khimii, 1993 , vol. 29, # 12 p. 2416 - 2421