Prostakov, N. S.; Pleshakov, V. G.; Zainul Abedin, Md.
Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, # 11 p. 2199 - 2200
Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 11 p. 2462 - 2463