Also there is example P2P F2F E2EE IM written on Python, that uses
PyGOST with @url{http://www.pyderasn.cypherpunks.ru/, PyDERASN}:
@url{gostim.txz, GOSTIM} (@url{gostim.txz.sig, sign}) (17 KiB). It is
-described on russian an @url{m.https://habr.com/ru/post/452200/, that article}.
+described on russian an @url{https://m.habr.com/ru/post/452200/, that article}.