Burmakov, A. I.; Hassanein, Salah Mohamed; Kunshenko, B. V., Journal of Organic Chemistry USSR (English Translation), 1986, vol. 22, # 6, p. 1146 - 1149
Burmakov, A. I.; Hassanein, Salah Mohamed; Kunshenko, B. V., Journal of Organic Chemistry USSR (English Translation), 1986, vol. 22, # 6, p. 1146 - 1149