Mal'kina, A. G.; Skvortsov, Yu. M.; Moshchevitina, E. I., Journal of Organic Chemistry USSR (English Translation), 1990, vol. 26, # 6.1, p. 1050 - 1054
Mal'kina, A. G.; Skvortsov, Yu. M.; Moshchevitina, E. I., Journal of Organic Chemistry USSR (English Translation), 1990, vol. 26, # 6.1, p. 1050 - 1054