Shermolovich, Yu. G.; Solov'ev, A. V.; Borodin, A. V.; Pen'kovskii, V. V.; Trachevskii, V. V.; Markovskii, L. N. Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 8.1 p. 1433 - 1436 Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 8 p. 1637 - 1641