Ivanov,B.E. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1974 , vol. 23, p. 636 - 639
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1974 , vol. 23, p. 672 - 675

Ivanov,B.E. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1974 , vol. 23, p. 636 - 639
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1974 , vol. 23, p. 672 - 675

Ivanov,B.E. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1974 , vol. 23, p. 636 - 639
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1974 , vol. 23, p. 672 - 675