%0 Journal Article %A S. P. Sidorov %T An estimate for the relative linear width of the unit ball for a class of positive operators %J Sibirskij žurnal industrialʹnoj matematiki %D 2007 %P 122-128 %V 10 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2007_10_4_a12/ %G ru %F SJIM_2007_10_4_a12