Kelarev, V. I.; Dibi, Ammar; Lunin, A. F.; Ushakova, R. L.; Mikaya, A. I.; et al.
Journal of Organic Chemistry USSR (English Translation), 1983 , p. 2100 - 2104
Zhurnal Organicheskoi Khimii, 1983 , vol. 19, # 11 p. 2401 - 2405