TY - JOUR AU - V. G. Maz'ya AU - S. V. Poborchi TI - Traces of functions with summable gradient in a domain with a peak summit on the boundary JO - Matematičeskie zametki PY - 1989 SP - 57 EP - 65 VL - 45 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1989_45_1_a7/ LA - ru ID - MZM_1989_45_1_a7 ER -