1. I think that the best way would be to specify the URL-link for each article. If there is no possibilities to specify URL in some field (this is the best way),
> There is no field in the blog module for it. But you can ask the blog module developer to add it.
http://dnnblog.codeplex.com/
I can even make it right in the MS SQL database, if I know where I can do it, but this is difficult and "dangerous" way.
> I agree
2.Also I think I can make some rules for recalculating, for example I can rewrite russian letters by english analogs. Then I will be very grateful If you answer - is there a way to do it? where (in which module) I can realize rewriting rules, in DNN modules or in IIS module?
> The best way is to integrate it in a DNN url rewriter.
> i can modify open url rewriter to include this. I do it already for french special characters.
> And there is a blog module provider for open url rewriter
https://openurlrewriter.codeplex.com/