Prostakov, N. S.; Pleshakov, V. G.; Abedin, Md. Zainul; Kordova, I. R.; Zakharov, V. F.; Zvolinskii, V. P. Journal of Organic Chemistry USSR (English Translation), 1982 , vol. 18, p. 556 - 566 Zhurnal Organicheskoi Khimii, 1982 , vol. 18, # 3 p. 640 - 652