Amosova, S. V.; Gostevskaya, V. I.; Gavrilova, G. M.; Sigalov, M. V.; Vitkovskii, V. Yu.; Trofimov, B. A.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 11 p. 2120 - 2123
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 11 p. 2320 - 2323

Amosova, S. V.; Gavrilova, G. M.; Gostevskaya, V. I.
Journal of Organic Chemistry USSR (English Translation), 1989 , vol. 25, # 4.1 p. 666 - 668
Zhurnal Organicheskoi Khimii, 1989 , vol. 25, # 4 p. 743 - 745