%0 Journal Article %A M. K. Potapov %T The structural and constructive characterization of certain classes of functions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1974 %P 211-231 %V 131 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1974_131_a15/ %G ru %F TM_1974_131_a15