Voronina, T. A.; Chernyavskii, A. I.; Dobrov, I. V.; Poluektov, V. A.; Fomina, N. V.
Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, p. 801 - 805
Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 5 p. 918 - 921
Voronina, T. A.; Fomina, N. V.; Suminov, S. I.
Journal of Organic Chemistry USSR (English Translation), 1983 , p. 1059 - 1063
Zhurnal Organicheskoi Khimii, 1983 , vol. 19, # 6 p. 1188 - 1192