Keywords: N. N. Bogoliubov (1930).jpg ru РРБоголюбов 1930 год 2013-02-07 22 42 58 http //www nas gov ua/Activity/AssemblySessions/2009/210909/PublishingImages/bogolubov_00 jpg author Custom license marker 2013 02 07 anonymous-EU Uploaded with UploadWizard Mathematicians from Russia Members of the Russian Academy of Sciences |