Kelarev, V. I.; Karakhanov, R. A.; Gasanov, S. Sh.; Polivin, Yu. N.; Mikaya, A. I.
Russian Journal of Organic Chemistry, 1993 , vol. 29, # 4.2 p. 637 - 642
Zhurnal Organicheskoi Khimii, 1993 , vol. 29, # 4 p. 763 - 769

Shvekhgeimer, G. A.; Kelarev, V. I.; Dyankova, L. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 12 p. 1324 - 1330
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , # 12 p. 1609 - 1615

Shvekhgeimer, G. A.; Kelarev, V. I.; Dyankova, L. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 12 p. 1324 - 1330
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , # 12 p. 1609 - 1615