Yudin, L. G.; Blokhin, A. V.; Simkin, B. Ya.; Terenin, V. I.
Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, p. 1598
Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 8 p. 1785 - 1786