Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 19, # 5 p. 564 - 571
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 19, # 5 p. 695 - 701
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 19, # 5 p. 564 - 571
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 19, # 5 p. 695 - 701