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Praesidium of the Russian Academy of Sciences, was an eminent academic and an extraordinary intellectual, a trailblazer who has left his mark on all areas of science and technology to which he applied his acute brain and curiosity. The subjects in which he was interested and researched intensively i
## VLADIMIR VASIL'YEVICH BOLOTIN (80th Birthday Tribute) ΰ¬ The great, high-profile scientist and applied mathematician Vladimir Vasil'yevich Bolotin has reached the age of eighty. He has made an enormous contribution to the development of the theory of vibrations and stability, the applied theory
The Russian scientist, Academician Lev Vasil'yevich Ovsyannikov, who has made a major contribution to the development of mechanics and applied mathematics, was 80 years old on 22 April 1999. His classical results in the dynamics of a fluid with free boundaries and transonic gas dynamics are fundamen