TY - JOUR AU - V. G. Krotov TI - On differentiability of functions in $L^p$ and $H^p$ for $0 JO - Doklady Akademii Nauk PY - 1981 SP - 1311 EP - 1314 VL - 256 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_256_6_a6/ LA - ru ID - DAN_1981_256_6_a6 ER -