In 1967, he was elected a Member of the Presidium of the Academy (1967—1990), and since 1990 he was the councillor of the Presidium of the USSR Academy of Sciences.
Во 1967, бил избран за член на президиумот на академијата (1967—1990) и од 1990 бил советник на президумот на Советската академија на науки.