TY - JOUR AU - O. V. Besov TI - The traces on a nonsmooth surface of classes of differentiable functions JO - Informatics and Automation PY - 1972 SP - 11 EP - 21 VL - 117 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1972_117_a1/ LA - ru ID - TRSPY_1972_117_a1 ER -