Komendantov, M. I.; Koptelov, Yu. V.; Kostikov, R. R.; Molchanov, A. P.
Journal of Organic Chemistry USSR (English Translation), 1987 , vol. 23, # 5 p. 889 - 892
Zhurnal Organicheskoi Khimii, 1987 , vol. 23, # 5 p. 986 - 990