Zil'berman, I. E.; Kolesnikov, V. A.; Danov, S. M.; Efremov, R. V.
Journal of Organic Chemistry USSR (English Translation), 1989 , vol. 25, # 3.2 p. 542 - 547
Zhurnal Organicheskoi Khimii, 1989 , vol. 25, # 3 p. 603 - 608
Zil'berman, I. E.; Kolesnikov, V. A.; Danov, S. M.; Efremov, R. V.
Journal of Organic Chemistry USSR (English Translation), 1989 , vol. 25, # 3.2 p. 542 - 547
Zhurnal Organicheskoi Khimii, 1989 , vol. 25, # 3 p. 603 - 608