Well that is most promising. i wonder if the factory that made the Raduga's eventually became the MDS that we know today. There is a Ebay seller from the Ukraine that happens to be selling one too:
http://cgi.ebay.com/RADUGA-10RU-0-60...item20b52478e6
So I assume someone from the Ukraine would likely be able to read the Cryllic alphabet, and knew of these engines before.