Alexander B. Givental (EDT)/ Boris Khesin (EDT)/ Mikhail B. Sevryuk (EDT)/ Victor A. Vassiliev (EDT)/ Oleg Ya. Viro (EDT)
(2)
Vladimir I. Arnold/ Alexander B. Givental (EDT)/ Boris A. Khesin (EDT)/ Alexander N. Varchenko (EDT)/ Victor A. Vassiliev (EDT)
(1)