%0 Journal Article %T To the 70th~birthday of O.\,V.~Besov %J Informatics and Automation %D 2003 %P 7-8 %V 243 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2003_243_a0/ %G ru %F TRSPY_2003_243_a0