cyr­guide – Doc­u­men­ta­tion of LaTeX Cyril­lic-al­pha­bet fea­tures

The Cyril­lic setup for LaTeX: how to get the fonts, how to set them up, how to use the in­ter­face, in­ter­ac­tion with ba­bel, etc.
Part of a set of doc­u­men­ta­tion that also cov­ers new LaTeX 2e com­mands, class and pack­age writ­ing, font-han­dling, LaTeX font en­cod­ings, con­fig­u­ra­tion op­tions and mod­i­fi­ca­tion of la­tex.