Rukavishnikov, A. V.; Tkachev, A. V.; Volodarskii, L. B., Journal of Organic Chemistry USSR (English Translation), 1989, vol. 25, # 8.1, p. 1501 - 1506
Rukavishnikov, A. V.; Tkachev, A. V.; Volodarskii, L. B., Journal of Organic Chemistry USSR (English Translation), 1989, vol. 25, # 8.1, p. 1501 - 1506