Babel Russian¶

Original page: http://mihailovs.com/Alec/russian.html

\documentclass{article}
\usepackage[cp1251,koi8-r]{inputenc}
\usepackage[english,russian]{babel}  
\begin{document}
Here goes some text in koi8-r input encoding.
% To switch the current language (and font encoding) to English,
% use \English macro (or \Eng)
% To switch the current language (and font encoding) to Russian,
% use \Russian macro (or \Rus)
% Switching languages will, in particular, set the correct hyphenation.
% You may use several different input encodings in one document! :-)
%
\inputencoding{cp1251}
Проба пера
\fontencoding{T2A}\selectfont
Proba Pera
Проба пера
\end{document}