Markava, E. Ya.; Kanepe, D. V.; Freimanis, Ya. F.; Medynya, B. A.; Glezer, V. T.; Stradyn, Ya. P.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 3 p. 565 - 570
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 3 p. 625 - 630