Karaulova, E.N.; Bardina, T.A.; Volynskii, N.P.; Gal'pern, G.D.; Degtyareva, I.N.; et al.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 726 - 730
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 4 p. 797 - 801