Semenov, V. P.; Andreeva, T. D.; Ogloblin, K. A.
Journal of Organic Chemistry USSR (English Translation), 1988 , vol. 24, p. 195 - 198
Zhurnal Organicheskoi Khimii, 1988 , vol. 24, # 1 p. 217 - 220

Semenov, V. P.; Ogloblin, K. A.
Journal of Organic Chemistry USSR (English Translation), 1990 , vol. 26, # 4 p. 711 - 715
Zhurnal Organicheskoi Khimii, 1990 , vol. 26, # 4 p. 830 - 835