Dorofeev, I. A.; Korchevin, N. A.; Usov, V. A.; Voronkov, M. G.
Journal of Organic Chemistry USSR (English Translation), 1984 , p. 1574 - 1581
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 8 p. 1727 - 1734