Andreichikov, Yu. S.; Koz'minykh, V. O.; Manelova, E. N.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 2 p. 363 - 366
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 2 p. 402 - 406