Skvortsov, Yu. M.; Mal'kina, A. G.; Moshchevitina, E. I., Journal of Organic Chemistry USSR (English Translation), 1992, vol. 28, # 7.1, p. 1076 - 1081
Skvortsov, Yu. M.; Mal'kina, A. G.; Moshchevitina, E. I., Journal of Organic Chemistry USSR (English Translation), 1992, vol. 28, # 7.1, p. 1076 - 1081