B. and. , 2011. — 36 s. Scientific electronic library "Elibrary. ru" is posted on the Internet, so any user can visit it. There is an opportunity to find, read and download a fairly large amount of literature .. The library has more than 12 million scientific articles and publications. About 1,900 Russian scientific and technical journals are available, including more than 900 journals are in the public domain. An important advantage of this electronic library is that it allows not only to read files, but also to download them. Library "Elibrary. en" offers a convenient system for searching for literature. The book is a step-by-step guide to the use of this scientific electronic library.