Skvortsov, Yu. M.; Moshchevitina, E. I.; Mal'kina, A. G., Journal of Organic Chemistry USSR (English Translation), 1990, vol. 26, # 6.1, p. 1055 - 1058
Skvortsov, Yu. M.; Moshchevitina, E. I.; Mal'kina, A. G., Journal of Organic Chemistry USSR (English Translation), 1990, vol. 26, # 6.1, p. 1055 - 1058