%0 Journal Article %A V. G. Maz'ya %A S. V. Poborchi %T Traces of functions with summable gradient in a domain with a peak summit on the boundary %J Matematičeskie zametki %D 1989 %P 57-65 %V 45 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1989_45_1_a7/ %G ru %F MZM_1989_45_1_a7