%0 Journal Article %A V. V. Zhuk %A G. I. Natanson %T Semi-norms and continuity modules of functions defined on a~segment %J Zapiski Nauchnykh Seminarov POMI %D 2001 %P 155-203 %V 276 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2001_276_a7/ %G ru %F ZNSL_2001_276_a7