%0 Journal Article %A I. M. Pupyshev %T The Extension of Functions of Sobolev Classes Beyond the Boundary of the~Domain on Carnot Groups %J Matematičeskie trudy %D 2007 %P 187-212 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2007_10_2_a7/ %G ru %F MT_2007_10_2_a7