Vizgert, R. V.; Sheiko, S. G.; Kulishova, T. P.; Pekhtereva, T. M.; Nardekova, V. V.
Journal of Organic Chemistry USSR (English Translation), 1987 , vol. 23, p. 166 - 169
Zhurnal Organicheskoi Khimii, 1987 , vol. 23, # 1 p. 185 - 189