TY - JOUR AU - S. V. Uspenskii TI - On boundary properties of a certain class of differentiable functions in smooth regions JO - Doklady Akademii Nauk PY - 1965 SP - 750 EP - 752 VL - 164 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_164_4_a7/ LA - ru ID - DAN_1965_164_4_a7 ER -