-But also you can use PIP (@strong{no} authentication is performed!):
-
-@verbatim
-$ pip install pygost==3.15
-@end verbatim
-
-You @strong{have to} verify downloaded tarballs integrity and
-authenticity to be sure that you retrieved trusted and untampered
-software. @url{https://www.gnupg.org/, The GNU Privacy Guard} is used
-for that purpose.
-
-For the very first time it is necessary to get signing public key and
-import it. It is provided below, but you should check alternative
-resources.
-
-@verbatim
-pub rsa2048/0xE6FD1269CD0C009E 2016-09-13
- F55A 7619 3A0C 323A A031 0E6B E6FD 1269 CD0C 009E
-uid PyGOST releases <pygost at cypherpunks dot ru>
-@end verbatim
-
-@itemize
-
-@item @url{https://lists.cypherpunks.ru/mailman/listinfo/gost, gost} maillist
-
-@item
-@verbatim
-$ gpg --auto-key-locate dane --locate-keys pygost at cypherpunks dot ru
-$ gpg --auto-key-locate wkd --locate-keys pygost at cypherpunks dot ru
-@end verbatim
-
-@item
-@verbatiminclude PUBKEY.asc
-
-@end itemize
-
-You can obtain development source code by cloning
-@url{http://git-scm.com/, Git}
-@url{https://git.cypherpunks.ru/cgit.cgi/pygost.git/}.
+Also there is example P2P F2F E2EE IM written on Python, that uses
+PyGOST with @url{http://pyderasn.cypherpunks.ru/, PyDERASN}:
+@url{gostim.txz, GOSTIM} (@url{gostim.txz.sig, sign}) (17 KiB). It is
+described on russian an @url{https://habr.com/ru/post/452200/, that article}.