Martynov, I. V.; Postnova, L. V.; Bikkineev, R. Kh.; Yurtanov, A. I.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, # 8 p. 1571 - 1573
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 8 p. 1724 - 1727