Koikov, L. N.; Terent'ev, P. B.; Yufit, D. S.; Struchkov, Yu. T.; Zubarev, V. E.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, p. 1664 - 1674
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 9 p. 1820 - 1831

Koikov, L. N.; Terent'ev, P. B.; Gloriozov, I. P.; Torocheshnikov, V. N.; Baidin, V. N.; Bundel', Yu. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 5 p. 518 - 524
Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 5 p. 643 - 650