TY - JOUR AU - O. V. Besov TI - The traces on a nonsmooth surface of classes of differentiable functions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1972 SP - 11 EP - 21 VL - 117 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1972_117_a1/ LA - ru ID - TM_1972_117_a1 ER -