%0 Journal Article %A D. V. Treschev %T $\mu $-Norm of an Operator %J Informatics and Automation %D 2020 %P 280-308 %V 310 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2020_310_a19/ %G ru %F TRSPY_2020_310_a19