Photos
On the Great Wall of China,
October 20, 2012
On CCTV Tower, Beijing,
October 19, 2012
With W.Shi,
Vladikavkaz, July 2012
On the Slope of Mt. Munkhulik,
Tuva, May 02, 2007
With D.Gorenstein, California,
USA, August 1979
Near MSU during the Int'l Math.
Congress, Moscow, August 1966

(click on a photo to enlarge)
biography video