Preparation of the manuscript   
 

Contributions submitted to this journal must be written in clear and concise English or Russian and must be submitted in pdf. Only unpublished material can be accepted, and authors may not republish their paper in the same or similar form.  

Each manuscript should contain small abstract and references in English, and  MSC classification of the manuscript.  Please be advised that inaccuracy of the manuscript can be the reason to decline it from consideration. 

After the decision of the editorial board to accept the article for publication, the authors must provide:

- LaTeX and pdf files of the final version of the article, prepared according to the journal's template using the amsart style file.  Complicated definitions are not allowed as well as definitions from other files and packages, except for support of Cyrillic and AMS standard symbols. 

- Illustration files and other auxiliary files (if necessary). 


- License agreement with the publisher (IM SB RAS) on the transfer of copyright.