TY - JOUR AU - E. V. Maikov TI - $\tau$-continuity and $\tau$-differentiability of a functional JO - Doklady Akademii Nauk PY - 1964 SP - 266 EP - 269 VL - 155 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_155_2_a5/ LA - ru ID - DAN_1964_155_2_a5 ER -