Tolmach, E. L.; Kudryavtsev, A. B.; Zheltov, A. Ya.; Stepanov, B. I.
Journal of Organic Chemistry USSR (English Translation), 1989 , vol. 25, # 8.2 p. 1594 - 1601
Zhurnal Organicheskoi Khimii, 1989 , vol. 25, # 8 p. 1764 - 1773