Contact me at amborodin around acm.org
Tomorrow morning i'll check if is it available, if not another book(aquarium, day m) will be ok for chellange? :)
Info from ISA is common knowlege here (this does not imply info is true) and may be not very popular.
I can mail you a copy in Russian (: If there is one in a local book store, not sure Rezun is popular currently.