TY  - JOUR
AU  - E. P. Dolzhenko
TI  - On the differentiability of functions that can be approximated sufficiently well in the Hausdorff or uniform metric
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 765
EP  - 768
VL  - 230
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_230_4_a3/
LA  - ru
ID  - DAN_1976_230_4_a3
ER  -