%0 Journal Article %A E. P. Baranovskii %A N. P. Dolbilin %A A. A. Mal'tsev %T Sergei Sergeevich Ryshkov (On his 70th~Birthday) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2002 %P 7-19 %V 239 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2002_239_a0/ %G ru %F TM_2002_239_a0