Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 20, # 1 p. 97 - 102
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 20, # 1 p. 115 - 120

Tikhonov, A. Ya.; Volodarskii, L. B.; Belova, N. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 1 p. 97 - 102
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 1 p. 115 - 120

Tikhonov, A. Ya.; Volodarskii, L. B.; Belova, N. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 1 p. 97 - 102
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 1 p. 115 - 120