%0 Journal Article %A V. A. Popov %T A~one-sided $K$-functional and its interpolation spaces %J Informatics and Automation %D 1984 %P 196-199 %V 163 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1984_163_a30/ %G ru %F TRSPY_1984_163_a30