%0 Journal Article %T Valerii Borisovich Kudryavtsev (on the occasion of his sixtieth birthday) %J Diskretnaya Matematika %D 1996 %P 157-158 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1996_8_4_a13/ %G ru %F DM_1996_8_4_a13