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During the early 90s, he Vasily Vladimirov was collaborator of [[Mikhail Botvinnik]], [[Evgeniĭ Dmitrievich Cherevik]] and [[Vitaly Vygodsky]] in working on [[CC Sapiens|Chess Computer Sapiens]] and its economic counterpart ''Economical Computer Sapiens'' <ref>[[Mikhail Botvinnik]], [[Evgeniĭ Dmitrievich Cherevik]], [[Vasily Vladimirov]], [[Vitaly Vygodsky]] ('''1994'''). ''Solving Shannon's Problem: Ways and Means''. [[Advances in Computer Chess 7]]</ref>.