Slyasarenko, E. I.; Pel'kis, N. P.; Levchenko, E. S.
Journal of Organic Chemistry USSR (English Translation), 1980 , vol. 16, # 10 p. 1832 - 1835
Zhurnal Organicheskoi Khimii, 1980 , vol. 16, # 10 p. 2149 - 2154