I know nothing about Cyrillic list schemes so I’m at risk of a bit of cultural embarrassment here, but CSS3 Lists module (still in working draft) defines quite a few Cyrillic alphabetic list types: lower-belorussian
, lower-bulgarian
, lower-macedonian
, lower-russian
, lower-russian-full
, lower-serbo-croatian
, lower-ukrainian
, lower-ukrainian-full
, upper-belorussian
, upper-bulgarian
, upper-macedonian
, upper-russian
, upper-russian-full
, upper-serbo-croatian
, upper-ukrainian
, upper-ukrainian-full
. As expected, the state of support for these is deplorable currently (certainly nothing in Gecko or WebKit), but hopefully going forwards these will start to be implemented.
Update: some changes have been made – the definition of list types has been moved into the CSS3 Counter Styles module whose current draft (Feb 2015) has unfortunately lost all alphabetical Cyrillic types. This is in Candidate Recommendation stage so it’s unlikely that additions will be made at the point. Perhaps in CSS4 List Styles?