Bezborodov, V. S.; Konovalov, V. A.; Lapanik, V. I.; Ptashnikov, Yu. L.
Journal of Organic Chemistry USSR (English Translation), 1988 , vol. 24, # 3 p. 551 - 554
Zhurnal Organicheskoi Khimii, 1988 , vol. 24, # 3 p. 615 - 619