Mathematical collection. Volume 17. Issue 1,2,3 (in one book). In Russian /Matematicheskiy sbornik. Tom 17. Vypusk 1,2,3 (v odnoy knige). New series. There are articles in European languages with summaries in Russian M AS USSR 1945. From the contents: Adamar J. Problems that seem difficult. Levitan B. Generalization of shift operations and infinite hyper-complex systems. Chernikov S.N. On infinite special groups with a finite center. Schmidt O.Yu. Infinite soluble groups. Shabat B.V. On generalized solutions to one system of equations in partial derivatives. Nikolaev P.V. Anamorphosis of equations. Petrovsky I.G. On diffusion of waves and lacunae for hyperbalic equations. Sperling M. On rings, each subring of which is ideal. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb50c473de198cc773.