%0 Journal Article %T Sergei Vsevolodovich Yablonskii (on the occasion of his seventieth birthday) %J Diskretnaya Matematika %D 1994 %P 154-157 %V 6 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1994_6_4_a9/ %G ru %F DM_1994_6_4_a9